CVE-2026-53404

HIGH

Apache Tomcat: Bad ornext processing in RewriteValve

Title source: cna
STIX 2.1

Description

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

References (2)

Core 2

Scores

CVSS v3 7.3
EPSS 0.0041
EPSS Percentile 33.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-670
Status published
Products (6)
apache/tomcat 8.5.0 - 8.5.100
Apache Software Foundation/Apache Tomcat < 8.0.0
Apache Software Foundation/Apache Tomcat 10.1.0-M1 - 10.1.55
Apache Software Foundation/Apache Tomcat 11.0.0-M1 - 11.0.22
Apache Software Foundation/Apache Tomcat 8.5.0 - 8.5.100
Apache Software Foundation/Apache Tomcat 9.0.0.M1 - 9.0.118
Published Jun 29, 2026
Tracked Since Jun 30, 2026