Oracle Critical Security Patch Update May 2026
Released May 2026 · Oracle's advisory ↗ · ← Critical Patch Update, April 2026 · Security Patch Update, June 2026 →
74 CVEs in this release, one square each
By status
3Protected by Waratek3Mitigation candidate31No exploit published37Not applicable
3Exploited, marked by the ring
No exploit published. For 22 of them, Oracle's security advisory is the source of public detail.
Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.
Overview 37 matches · 3 protected · 3 exploited · 2 CISA KEV · 2 public PoC · 1 EPSS ≥ 0.5
Protected by Waratek
3
8.1%
Rule in development
0
0.0%
Mitigation candidate
3
8.1%
No exploit published
31
83.8%
blocked by ARMR today
3
8.1%
partly blocked
0
0.0%
not blocked
34
91.9%
not established
0
0.0%
unrecorded
0
0.0%
Exploited
3
8.1%
Working exploit published
0
0.0%
Proof of concept only
1
2.7%
Forecast only
0
0.0%
No public exploit
33
89.2%
split by
peak 23 / month
Mar 262
Mitigation candidate2
High2
not blocked2
No public exploit2
Apr 2612
Protected by Waratek2
Mitigation candidate1
No exploit published9
Critical3
High7
Medium2
blocked by ARMR today2
not blocked10
Exploited2
Proof of concept only1
No public exploit9
May 2623
Protected by Waratek1
No exploit published22
Critical8
High11
Medium4
blocked by ARMR today1
not blocked22
Exploited1
No public exploit22
Mar 26Apr 26May 26
| CVE | Severity | Published▾ | Status | Exploitation | Description |
|---|---|---|---|---|---|
| CVE-2026-46843 | Medium | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle REST Data Services. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). |
| CVE-2026-46842 | Medium | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle REST Data Services accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N). |
| CVE-2026-46841 | Medium | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: General). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle REST Data Services accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N). |
| CVE-2026-46840 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. While the vulnerability is in Oracle REST Data Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle REST Data Services. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H). |
| CVE-2026-46839 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle REST Data Services. While the vulnerability is in Oracle REST Data Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle REST Data Services. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H). |
| CVE-2026-46837 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Flow Manufacturing product of Oracle E-Business Suite (component: Security). Supported versions that are affected are 12.2.9-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via SQL to compromise Oracle Flow Manufacturing. Successful attacks of this vulnerability can result in takeover of Oracle Flow Manufacturing. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). |
| CVE-2026-46830 | Medium | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Mongoapi). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle REST Data Services accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N). |
| CVE-2026-46829 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Mongoapi). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle REST Data Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). |
| CVE-2026-46828 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Payroll. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Payroll accessible data as well as unauthorized access to critical data or complete access to all Oracle Payroll accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). |
| CVE-2026-46827 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Self Service Manager). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Payroll. Successful attacks of this vulnerability can result in takeover of Oracle Payroll. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). |
| CVE-2026-46826 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle Payroll. Successful attacks of this vulnerability can result in takeover of Oracle Payroll. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). |
| CVE-2026-46824 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Universal Work Queue product of Oracle E-Business Suite (component: Work Provider Site Level Administration). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Universal Work Queue. While the vulnerability is in Oracle Universal Work Queue, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Universal Work Queue. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H). |
| CVE-2026-46823 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Public Sector Financials (International) product of Oracle E-Business Suite (component: Authorization). Supported versions that are affected are 12.2.6-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle Public Sector Financials (International). While the vulnerability is in Oracle Public Sector Financials (International), attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Public Sector Financials (International) accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N). |
| CVE-2026-46822 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle iAssets product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle iAssets. While the vulnerability is in Oracle iAssets, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle iAssets. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H). |
| CVE-2026-46821 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Financials Common Modules product of Oracle E-Business Suite (component: Common Components). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Financials Common Modules. While the vulnerability is in Oracle Financials Common Modules, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Financials Common Modules accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N). |
| CVE-2026-46820 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Financials Common Modules product of Oracle E-Business Suite (component: Common Components). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Financials Common Modules. While the vulnerability is in Oracle Financials Common Modules, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Financials Common Modules accessible data as well as unauthorized update, insert or delete access to some of Oracle Financials Common Modules accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N). |
| CVE-2026-46819 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Internet Procurement Connector product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Internet Procurement Connector. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Internet Procurement Connector accessible data as well as unauthorized access to critical data or complete access to all Oracle Internet Procurement Connector accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N). |
| CVE-2026-46818 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Payments. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Payments accessible data as well as unauthorized access to critical data or complete access to all Oracle Payments accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N). |
| CVE-2026-46817 | Critical | 2026-05-28 | Protected by Waratek | Exploited | Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Payments. Successful attacks of this vulnerability can result in takeover of Oracle Payments. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). |
| CVE-2026-46775 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle REST Data Services. While the vulnerability is in Oracle REST Data Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle REST Data Services. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H). |
| CVE-2026-35277 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle REST Data Services accessible data as well as unauthorized access to critical data or complete access to all Oracle REST Data Services accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). |
| CVE-2026-35266 | High | 2026-05-28 | No exploit published | No public exploit | Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle REST Data Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle REST Data Services accessible data as well as unauthorized access to critical data or complete access to all Oracle REST Data Services accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle REST Data Services. CVSS 3.1 Base Score 7.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L). |
| CVE-2026-34311 | Critical | 2026-05-28 | No exploit published | No public exploit | Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera). Supported versions that are affected are 5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6 and 5.6.28. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services. Successful attacks of this vulnerability can result in takeover of Oracle Hospitality OPERA 5 Property Services. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). |
| CVE-2026-41044 | High | 2026-04-24 | No exploit published | No public exploit | Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ, Apache ActiveMQ Broker, Apache ActiveMQ All. An authenticated attacker can use the admin web console page to construct a malicious broker name that bypasses name validation to include an xbean binding that can be later used by a VM transport to load a remote Spring XML application. The attacker can then use the DestinationView mbean to send a message to trigger a VM transport creation that will reference this malicious broker name which can lead to loading the malicious Spring XML context file. Because Spring's ResourceXmlApplicationContext instantiates all singleton beans before the BrokerService validates the configuration, arbitrary code execution occurs on the broker's JVM through bean factory methods such as Runtime.exec(). This issue affects Apache ActiveMQ: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ Broker: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ All: before 5.19.6, from 6.0.0 before 6.2.5. Users are recommended to upgrade to version 6.2.5 or 5.19.6, which fixes the issue. |
| CVE-2026-41043 | Medium | 2026-04-24 | No exploit published | No public exploit | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache ActiveMQ, Apache ActiveMQ Web. An authenticated attacker can show malicious content when browsing queues in the web console by overriding the content type to be HTML (instead of XML) and by injecting HTML into a JMS selector field. This issue affects Apache ActiveMQ: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ Web: before 5.19.6, from 6.0.0 before 6.2.5. Users are recommended to upgrade to version 6.2.5 or 5.19.6, which fixes the issue. |
| CVE-2026-40466 | High | 2026-04-24 | Mitigation candidate | Exploited | Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. An authenticated attacker may bypass the fix in CVE-2026-34197 by adding a connector using an HTTP Discovery transport via BrokerView.addNetworkConnector or BrokerView.addConnector through Jolokia if the activemq-http module is on the classpath. A malicious HTTP endpoint can return a VM transport through the HTTP URI which will bypass the validation added in CVE-2026-34197. The attacker can then use the VM transport's brokerConfig parameter to load a remote Spring XML application context using ResourceXmlApplicationContext. Because Spring's ResourceXmlApplicationContext instantiates all singleton beans before the BrokerService validates the configuration, arbitrary code execution occurs on the broker's JVM through bean factory methods such as Runtime.exec(). This issue affects Apache ActiveMQ Broker: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ All: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ: before 5.19.6, from 6.0.0 before 6.2.5. Users are recommended to upgrade to version 5.19.6 or 6.2.5, which fixes the issue. |
| CVE-2026-33557 | Critical | 2026-04-20 | No exploit published | No public exploit | A possible security vulnerability has been identified in Apache Kafka. By default, the broker property `sasl.oauthbearer.jwt.validator.class` is set to `org.apache.kafka.common.security.oauthbearer.DefaultJwtValidator`. It accepts any JWT token without validating its signature, issuer, or audience. An attacker can generate a JWT token from any issuer with the `preferred_username` set to any user, and the broker will accept it. We advise the Kafka users using kafka v4.1.0 or v4.1.1 to set the config `sasl.oauthbearer.jwt.validator.class` to `org.apache.kafka.common.security.oauthbearer.BrokerJwtValidator` explicitly to avoid this vulnerability. Since Kafka v4.1.2 and v4.2.0 and later, the issue is fixed and will correctly validate the JWT token. |
| CVE-2026-2332 | Critical | 2026-04-14 | No exploit published | Proof of concept only | In Eclipse Jetty, the HTTP/1.1 parser is vulnerable to request smuggling when chunk extensions are used, similar to the "funky chunks" techniques outlined here: * https://w4ke.info/2025/06/18/funky-chunks.html * https://w4ke.info/2025/10/29/funky-chunks-2.html Jetty terminates chunk extension parsing at \r\n inside quoted strings instead of treating this as an error. POST / HTTP/1.1 Host: localhost Transfer-Encoding: chunked 1;ext="val X 0 GET /smuggled HTTP/1.1 ... Note how the chunk extension does not close the double quotes, and it is able to inject a smuggled request. |
| CVE-2026-34500 | Medium | 2026-04-09 | No exploit published | No public exploit | CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue. |
| CVE-2026-34487 | High | 2026-04-09 | No exploit published | No public exploit | Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue. |
| CVE-2026-34486 | High | 2026-04-09 | Protected by Waratek | Exploited | Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue. |
| CVE-2026-34483 | High | 2026-04-09 | No exploit published | No public exploit | Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue. |
| CVE-2026-29145 | Critical | 2026-04-09 | No exploit published | No public exploit | CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13. Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue. |
| CVE-2026-5795 | High | 2026-04-08 | No exploit published | No public exploit | In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal variable. Upon returning from the initial checks, there are conditions that cause an early return from the JASPIAuthenticator code without clearing those ThreadLocals. A subsequent request using the same thread inherits the ThreadLocal values, leading to a broken access control and privilege escalation. |
| CVE-2026-35554 | High | 2026-04-07 | Protected by Waratek | No public exploit | A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics. When a produce batch expires due to delivery.timeout.ms while a network request containing that batch is still in flight, the batch’s ByteBuffer is prematurely deallocated and returned to the buffer pool. If a subsequent producer batch—potentially destined for a different topic—reuses this freed buffer before the original network request completes, the buffer contents may become corrupted. This can result in messages being delivered to unintended topics without any error being reported to the producer. Data Confidentiality: Messages intended for one topic may be delivered to a different topic, potentially exposing sensitive data to consumers who have access to the destination topic but not the intended source topic. Data Integrity: Consumers on the receiving topic may encounter unexpected or incompatible messages, leading to deserialization failures, processing errors, and corrupted downstream data. This issue affects Apache Kafka versions ≤ 3.9.1, ≤ 4.0.1, and ≤ 4.1.1. Kafka users are advised to upgrade to 3.9.2, 4.0.2, 4.1.2, 4.2.0, or later to address this vulnerability. |
| CVE-2026-24308 | High | 2026-03-07 | Mitigation candidate | No public exploit | Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue. |
| CVE-2026-24281 | High | 2026-03-07 | Mitigation candidate | No public exploit | Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must present a certificate which is trusted by ZKTrustManager which makes the attack vector harder to exploit. Users are recommended to upgrade to version 3.8.6 or 3.9.5, which fixes this issue by introducing a new configuration option to disable reverse DNS lookup in client and quorum protocols. |