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Critical Java CVEs with a proof of concept

7 CVEs, 4 protected by Waratek

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Overview 7 matches · 4 protected · 0 exploited · 0 CISA KEV · 3 public PoC · 0 EPSS ≥ 0.5
7matches 4protected57.1% 0exploited0.0% 0CISA KEV0.0% 3public PoC42.9% 0EPSS ≥ 0.50.0%
Protected by Waratek 4 57.1% Rule in development 0 0.0% Mitigation candidate 1 14.3% No exploit published 2 28.6%
Critical 7 100.0% High 0 0.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 4 57.1% partly blocked 0 0.0% not blocked 3 42.9% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 7 100.0% Forecast only 0 0.0% No public exploit 0 0.0%
split by peak 2 / year
No exploit published: 2Mitigation candidate: 1Protected by Waratek: 4 Critical: 7 not blocked: 3blocked by ARMR today: 4 Proof of concept only: 7
20191 Protected by Waratek1 Critical1 blocked by ARMR today1 Proof of concept only1 20200 20211 Mitigation candidate1 Critical1 not blocked1 Proof of concept only1 20221 No exploit published1 Critical1 not blocked1 Proof of concept only1 20232 Protected by Waratek1 No exploit published1 Critical2 blocked by ARMR today1 not blocked1 Proof of concept only2 20240 20251 Protected by Waratek1 Critical1 blocked by ARMR today1 Proof of concept only1 20261 Protected by Waratek1 Critical1 blocked by ARMR today1 Proof of concept only1
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-41586 Critical 2026-05-07 Protected by Waratek Proof of concept only Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. From versions 1.0.0 to 2.2.26, Channel.java implements readObject() and exposes deSerializeChannel() which call ObjectInputStream.readObject() on untrusted byte arrays without configuring an ObjectInputFilter. This is a classic Java deserialization RCE pattern. At time of publication, there are no publicly available patches.
CVE-2025-30065 Critical 2025-04-01 Protected by Waratek Proof of concept only Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad actors to execute arbitrary code Users are recommended to upgrade to version 1.15.1, which fixes the issue.
CVE-2023-51084 Critical 2023-12-27 No exploit published Proof of concept only hyavijava v6.0.07.1 was discovered to contain a stack overflow via the ResultConverter.convert2Xml method.
CVE-2023-36480 Critical 2023-08-04 Protected by Waratek Proof of concept only The Aerospike Java client is a Java application that implements a network protocol to communicate with an Aerospike server. Prior to versions 7.0.0, 6.2.0, 5.2.0, and 4.5.0 some of the messages received from the server contain Java objects that the client deserializes when it encounters them without further validation. Attackers that manage to trick clients into communicating with a malicious server can include especially crafted objects in its responses that, once deserialized by the client, force it to execute arbitrary code. This can be abused to take control of the machine the client is running on. Versions 7.0.0, 6.2.0, 5.2.0, and 4.5.0 contain a patch for this issue.
CVE-2022-31053 Critical 2022-06-13 No exploit published Proof of concept only Biscuit is an authentication and authorization token for microservices architectures. The Biscuit specification version 1 contains a vulnerable algorithm that allows malicious actors to forge valid Γ-signatures. Such an attack would allow an attacker to create a token with any access level. The version 2 of the specification mandates a different algorithm than gamma signatures and as such is not affected by this vulnerability. The Biscuit implementations in Rust, Haskell, Go, Java and Javascript all have published versions following the v2 specification. There are no known workarounds for this issue.
CVE-2021-2302 Critical 2021-04-22 Mitigation candidate Proof of concept only Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: OPSS). Supported versions that are affected are 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Platform Security for Java. Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. 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-2018-11788 Critical 2019-01-07 Protected by Waratek Proof of concept only Apache Karaf provides a features deployer, which allows users to "hot deploy" a features XML by dropping the file directly in the deploy folder. The features XML is parsed by XMLInputFactory class. Apache Karaf XMLInputFactory class doesn't contain any mitigation codes against XXE. This is a potential security risk as an user can inject external XML entities in Apache Karaf version prior to 4.1.7 or 4.2.2. It has been fixed in Apache Karaf 4.1.7 and 4.2.2 releases.