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JSON CVEs with no public exploit

19 CVEs, 5 protected by Waratek

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Overview 19 matches · 5 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5
19matches 5protected26.3% 0exploited0.0% 0CISA KEV0.0% 0public PoC0.0% 0EPSS ≥ 0.50.0%
Protected by Waratek 5 26.3% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 14 73.7%
Critical 3 15.8% High 8 42.1% Medium 8 42.1% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 5 26.3% partly blocked 0 0.0% not blocked 14 73.7% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 19 100.0%
split by peak 6 / year
No exploit published: 14Protected by Waratek: 5 Medium: 8High: 8Critical: 3 not blocked: 14blocked by ARMR today: 5 No public exploit: 19
20182 No exploit published2 High2 not blocked2 No public exploit2 20191 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1 20203 Protected by Waratek2 No exploit published1 Critical1 High1 Medium1 blocked by ARMR today2 not blocked1 No public exploit3 20214 Protected by Waratek2 No exploit published2 Critical1 High2 Medium1 blocked by ARMR today2 not blocked2 No public exploit4 20220 20236 No exploit published6 Critical1 High2 Medium3 not blocked6 No public exploit6 20241 No exploit published1 Medium1 not blocked1 No public exploit1 20250 20262 No exploit published2 Medium2 not blocked2 No public exploit2
201820192020202120222023202420252026
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-34481 Medium 2026-04-10 No exploit published No public exploit Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values (NaN, Infinity, or -Infinity), which are prohibited by RFC 8259. This may cause downstream log processing systems to reject or fail to index affected records. An attacker can exploit this issue only if both of the following conditions are met: * The application uses JsonTemplateLayout. * The application logs a MapMessage, or logs an object directly (e.g., via Logger.info(Object), which wraps it in an ObjectMessage), where the message contains an attacker-controlled floating-point value. Users are advised to upgrade to Apache Log4j JSON Template Layout 2.25.4, which corrects this issue. Note: The fix released in version 2.25.4 did not cover all affected code paths. CVE-2026-49844 was assigned to the remaining issue, which concerns the MapMessage.asJson() serialization in Apache Log4j API and is fixed in versions 2.25.5 and 2.26.1.
CVE-2026-24802 Medium 2026-01-27 No exploit published No public exploit Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in briandilley jsonrpc4j (src/main/java/com/googlecode/jsonrpc4j modules). This vulnerability is associated with program files NoCloseOutputStream.Java. This issue affects jsonrpc4j: through 1.6.0.
CVE-2024-47855 Medium 2024-10-04 No exploit published No public exploit util/JSONTokener.java in JSON-lib before 3.1.0 mishandles an unbalanced comment string.
CVE-2023-51074 Medium 2023-12-27 No exploit published No public exploit json-path v2.8.0 was discovered to contain a stack overflow via the Criteria.parse() method.
CVE-2023-50773 Medium 2023-12-13 No exploit published No public exploit Jenkins Dingding JSON Pusher Plugin 2.0 and earlier does not mask access tokens displayed on the job configuration form, increasing the potential for attackers to observe and capture them.
CVE-2023-50772 Medium 2023-12-13 No exploit published No public exploit Jenkins Dingding JSON Pusher Plugin 2.0 and earlier stores access tokens unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read permission or access to the Jenkins controller file system.
CVE-2023-49145 High 2023-11-27 No exploit published No public exploit Apache NiFi 0.7.0 through 1.23.2 include the JoltTransformJSON Processor, which provides an advanced configuration user interface that is vulnerable to DOM-based cross-site scripting. If an authenticated user, who is authorized to configure a JoltTransformJSON Processor, visits a crafted URL, then arbitrary JavaScript code can be executed within the session context of the authenticated user. Upgrading to Apache NiFi 1.24.0 or 2.0.0-M1 is the recommended mitigation.
CVE-2023-5072 High 2023-10-12 No exploit published No public exploit Denial of Service in JSON-Java versions up to and including 20230618.  A bug in the parser means that an input string of modest size can lead to indefinite amounts of memory being used.
CVE-2022-47937 Critical 2023-05-15 No exploit published No public exploit Improper input validation in the Apache Sling Commons JSON bundle allows an attacker to trigger unexpected errors by supplying specially-crafted input. The org.apache.sling.commons.json bundle has been deprecated as of March 2017 and should not be used anymore. Consumers are encouraged to consider the Apache Sling Commons Johnzon OSGi bundle provided by the Apache Sling project, but may of course use other JSON libraries.
CVE-2021-31684 High 2021-06-01 No exploit published No public exploit A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
CVE-2021-27568 Medium 2021-02-23 Protected by Waratek No public exploit An issue was discovered in netplex json-smart-v1 through 2015-10-23 and json-smart-v2 through 2.4. An exception is thrown from a function, but it is not caught, as demonstrated by NumberFormatException. When it is not caught, it may cause programs using the library to crash or expose sensitive information.
CVE-2021-23900 High 2021-01-13 No exploit published No public exploit OWASP json-sanitizer before 1.2.2 can output invalid JSON or throw an undeclared exception for crafted input. This may lead to denial of service if the application is not prepared to handle these situations.
CVE-2021-23899 Critical 2021-01-13 Protected by Waratek No public exploit OWASP json-sanitizer before 1.2.2 may emit closing SCRIPT tags and CDATA section delimiters for crafted input. This allows an attacker to inject arbitrary HTML or XML into embedding documents.
CVE-2020-7712 High 2020-08-30 Protected by Waratek No public exploit This affects the package json before 10.0.0. It is possible to inject arbritary commands using the parseLookup function.
CVE-2020-13973 Medium 2020-06-09 No exploit published No public exploit OWASP json-sanitizer before 1.2.1 allows XSS. An attacker who controls a substring of the input JSON, and controls another substring adjacent to a SCRIPT element in which the output is embedded as JavaScript, may be able to confuse the HTML parser as to where the SCRIPT element ends, and cause non-script content to be interpreted as JavaScript.
CVE-2018-21234 Critical 2020-05-21 Protected by Waratek No public exploit Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.
CVE-2019-0188 High 2019-05-28 Protected by Waratek No public exploit Apache Camel prior to 2.24.0 contains an XML external entity injection (XXE) vulnerability (CWE-611) due to using an outdated vulnerable JSON-lib library. This affects only the camel-xmljson component, which was removed.
CVE-2018-18854 High 2018-10-31 No exploit published No public exploit Lightbend Spray spray-json through 1.3.4 allows remote attackers to cause a denial of service (resource consumption) because of Algorithmic Complexity during the parsing of many JSON object fields (with keys that have the same hash code).
CVE-2018-18853 High 2018-10-31 No exploit published No public exploit Lightbend Spray spray-json through 1.3.4 allows remote attackers to cause a denial of service (resource consumption) because of Algorithmic Complexity during the parsing of a field composed of many decimal digits.