CLEANSTART-2026-VM68422 JMSSink in all versions of Log4j 1

Security vulnerability affects the apache-hive package. JMSSink in all versions of Log4j 1...

CLEANSTART-2026-HH95708 Improper validation of certificate with host mismatch in Apache Log4j SMTP appender

Security vulnerability affects the apache-hive package. Improper validation of certificate with host mismatch in Apache Log4j SMTP appender...

CLEANSTART-2026-PZ72315 Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON

CVE-2026-49844 affects multiple packages. Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. See references for individual vulnerability details...

CLEANSTART-2026-AT67837 Socket Appender in Apache Log4j Core versions 2

Security vulnerability affects the apache-hive package. The Socket Appender in Apache Log4j Core versions 2...

CLEANSTART-2026-RP42469 Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1

CVE-2026-34479 affects multiple packages. The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1. See references for individual vulnerability details...

CLEANSTART-2026-CS40307 Apache Log4j's JsonTemplateLayout https://logging

Security vulnerability affects the wso2am package. Apache Log4j's JsonTemplateLayout https://logging...

Security Bulletin: The IBM SPSS Collaboration and Deployment Services impacted by multiple vulnerabilities disclosed in Apache Log4j

Summary The IBM SPSS Collaboration and Deployment Services impacted by multiple vulnerabilities disclosed in Apache Log4j. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-49844 DESCRIPTION: Improper encoding of non-finite floating-point values during...

Security Bulletin: IBM SPSS Modeler is affected by an Apache Log4j logging vulnerability that may produce malformed JSON log output

Summary IBM SPSS Modeler is affected by an Apache Log4j logging vulnerability that may produce malformed JSON log output. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-49844 DESCRIPTION: Improper encoding of non-finite floating-point values during...

CLEANSTART-2026-JH04977 Apache Log4j Core's XmlLayout https://logging

Security vulnerability affects the wso2am package. Apache Log4j Core's XmlLayout https://logging...

CLEANSTART-2026-CP64029 Apache Log4j Core's Rfc5424Layout https://logging

Security vulnerability affects the wso2am package. Apache Log4j Core's Rfc5424Layout https://logging...

CLEANSTART-2026-SN07875 Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON

CVE-2026-49844 affects multiple packages. Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. See references for individual vulnerability details...

log4j-samples

log4j-muestras Muestras de versiones de la librería log4j para ayudar a los escáneres/detectores de log4j incluyendo nuestro propio log4j-detector a mejorar su precisión para detectar CVE-2021-45046 y CVE-2021-44228. Las muestras incluyen jars sombreados, uber jars, jars ejecutables de spring-boo...

CLEANSTART-2026-ON00136 Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON

Security vulnerability affects the sonarqube package. Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON...

CLEANSTART-2026-DZ37385 Apache Log4j Core's Rfc5424Layout https://logging

Security vulnerability affects the sonarqube package. Apache Log4j Core's Rfc5424Layout https://logging...

CLEANSTART-2026-BH90179 Apache Log4j Core's XmlLayout https://logging

Security vulnerability affects the sonarqube package. Apache Log4j Core's XmlLayout https://logging...

CLEANSTART-2026-SX30440 Apache Log4j's JsonTemplateLayout https://logging

Security vulnerability affects the sonarqube package. Apache Log4j's JsonTemplateLayout https://logging...

CLEANSTART-2026-LD36349 Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1

Security vulnerability affects the sonarqube package. The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1...

CLEANSTART-2026-FS24569 Socket Appender in Apache Log4j Core versions 2

Security vulnerability affects the sonarqube package. The Socket Appender in Apache Log4j Core versions 2...

Log4Shell RCE (CVE-2021-44228)

Exploits CVE-2021-44228 Log4j JNDI lookup injection via HTTP headers and query parameters. Uses sleep-based confirmation then delivers the configured reverse CMD payload through a user-supplied LDAP callback URL. !/usr/bin/env python3 -- coding: utf-8 -- """Log4Shell JNDI injection RCE...

Astra Linux – Vulnerability in Apache Log4j1.2

CVE-2020-9493 identified a deserialization issue present in Apache Chainsaw. Prior to Chainsaw V2.0, Chainsaw was a component of Apache Log4j 1.2.x, and the same issue still exists there...