TNCVE-2026-34483 — Vulnetix

TNCVE-2026-34483 PUBLISHED

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.

Timeline

Apr 9, 2026 CVE Published

References

Tenable: CVE-2026-34483 advisory

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