Vulnerability GHSA-h3x4-894j-xpx5

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.
2 months ago
August 26, 2026 at 12:30 AM UTC
Apache Tomcat's FORM authentication process has an Incorrect Authorization vulnerability
7.0.0 - 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
7.0.0 - 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

Summary

Apache Tomcat's FORM authentication process has an Incorrect Authorization vulnerability

Details

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.

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, from 7.0.0 through 7.0.109. 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 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
7.0.30 - 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
7.0.30 - 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
7.0.30 - 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
7.0.30 - 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
7.0.30 - 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
7.0.30 - 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
7.0.0 - 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
7.0.0 - 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
View all vulnerabilities for these packages

Timeline

Published
2 months ago
August 26, 2026 at 12:30 AM UTC
Fixed (11.0.25)
Unknown
Unknown
Fixed (9.0.121)
Unknown
Unknown
Fixed (11.0.25)
Unknown
Unknown
Fixed (9.0.121)
Unknown
Unknown
Fixed (11.0.25)
Unknown
Unknown
Fixed (9.0.121)
Unknown
Unknown
Last Modified
1 month ago
September 11, 2026 at 08:25 AM UTC