CVE-2026-34483
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/04/2026
Last modified:
10/04/2026
Description
Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat.<br />
<br />
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.<br />
<br />
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.