PT-2026-32442 · Bitnami · Apache Tomcat

Published 2026-04-13 · Updated 2026-04-13

OSV

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.20, from 10.1.0 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.

Related Identifiers

BIT-TOMCAT-2026-34483

Affected Products

Apache Tomcat

References · 4

• https://osv.dev/vulnerability/BIT-tomcat-2026-34483 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34483 · Security Note
• https://lists.apache.org/thread/j1w7304yonlr8vo1tkb5nfs7od1y228b · Note
• http://openwall.com/lists/oss-security/2026/04/09/26 · Note