CVE-2026-65927

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121 which fix the issue.
References
Link Resource
https://lists.apache.org/thread/st1dx1zyn5y7ny2s0sscmh6lrv3worr4 Vendor Advisory Mailing List
http://www.openwall.com/lists/oss-security/2026/08/26/5 Third Party Advisory Mailing List
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-08-25 22:17

Updated : 2026-08-27 15:17


NVD link : CVE-2026-65927

Mitre link : CVE-2026-65927

CVE.ORG link : CVE-2026-65927


JSON object : View

Products Affected

apache

  • tomcat
CWE
CWE-193

Off-by-one Error