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CVE-2026-34483

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CVE-2026-34483

Published: Apr 9, 2026

Modified: Apr 10, 2026

PUBLISHED

Description

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.

VendorProductVersions

Apache Software Foundation

Apache Tomcat

affected
11.0.0-M1 - <= 11.0.20
affected
10.1.0-M1 - <= 10.1.53
affected
9.0.40 - <= 9.0.116
affected
8.5.84 - <= 8.5.100
unaffected
0 - <= 8.5.83

Weaknesses (CWE)

CWE-116

References

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