Vulnerability GHSA-mqg3-r7h5-24x4
Critical
CRITICAL RISK
CVSS Score: 9.1
Score Range: 9.0–10.0
Critical severity vulnerabilities (CVSS 9.0–10.0). These represent the highest impact issues.
4 months ago
June 29, 2026 at 09:32 PM UTC
Apache Tomcat has an Always-Incorrect Control Flow Implementation vulnerability
8.5.0 - 9.0.118 and 10.1.0-M1 - 10.1.55 and 11.0.0-M1 - 11.0.22
8.5.0 - 9.0.118 and 10.1.0-M1 - 10.1.55 and 11.0.0-M1 - 11.0.22
Summary
Apache Tomcat has an Always-Incorrect Control Flow Implementation vulnerability
Details
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged.
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 fixes the issue.
Related Vulnerabilities
Other vulnerabilities affecting the same packages
Critical
2 months ago
Apache Tomcat's DIGEST authenticator has an Authentication Bypass by Capture-replay vulnerability
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-9xv2-5v5q-p794
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-9xv2-5v5q-p794
Critical
2 months ago
Apache Tomcat's DIGEST authenticator has an Authentication Bypass by Capture-replay vulnerability
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-9xv2-5v5q-p794
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-9xv2-5v5q-p794
Critical
2 months ago
Apache Tomcat - HTTP/2 no-authority bypass of strict SNI validation
9.0.115 - 9.0.120 and 10.1.53 - 10.1.57 and 11.0.20 - 11.0.24 GHSA-f525-44xv-f2qj
9.0.115 - 9.0.120 and 10.1.53 - 10.1.57 and 11.0.20 - 11.0.24 GHSA-f525-44xv-f2qj
Critical
2 months ago
Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-gcx9-497g-6cp6
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-gcx9-497g-6cp6
Critical
2 months ago
Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-gcx9-497g-6cp6
7.0.35 - 7.0.109 and 8.5.0 - 9.0.120 and 10.1.0-M1 - 10.1.57 and 11.0.0-M1 - 11.0.24 GHSA-gcx9-497g-6cp6
Impacted packages
Timeline
Published
4 months ago
June 29, 2026 at 09:32 PM UTC
Fixed (11.0.23)
Unknown
Unknown
Fixed (10.1.56)
Unknown
Unknown
Fixed (9.0.119)
Unknown
Unknown
Fixed (11.0.23)
Unknown
Unknown
Fixed (10.1.56)
Unknown
Unknown
Fixed (9.0.119)
Unknown
Unknown
Fixed (11.0.23)
Unknown
Unknown
Fixed (10.1.56)
Unknown
Unknown
Fixed (9.0.119)
Unknown
Unknown
Last Modified
4 hours ago
November 04, 2026 at 04:55 PM UTC