CVE-2026-34481 - Apache Log4j JSON Template Layout: Improper serialization of non-finite floating-point values in JsonTemplateLayout

Related Vulnerabilities

• CVE-2026-23780: An issue was discovered in BMC Control-M/MFT 9.0.20 through 9.0.22. A SQL injection vulnerability in HIGH
• CVE-2026-32892: Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, Chamilo LMS contains a CRITICAL
• CVE-2026-5217: The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin f HIGH
• CVE-2026-34478: Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424L MEDIUM
• CVE-2026-34483: Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache MEDIUM

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Threat Actors

• 蓝宝菇 (International)
• Patchwork (International)
• Operation SideCopy (International)
• Sphinx (International)