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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-34483

Apache Tomcat: Incomplete escaping of JSON access logs

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Status
Published
Published
Updated
Assigning organization
apache

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Tomcat

Default version status: unaffected

  • 11.0.0-M1 to ≤ 11.0.20affected
  • 10.1.0-M1 to ≤ 10.1.53affected
  • 9.0.40 to ≤ 9.0.116affected
  • 8.5.84 to ≤ 8.5.100affected
  • 0 to ≤ 8.5.83unaffected

References