What is GHSA-xwrc-v28h-528j?

GHSA-xwrc-v28h-528j is a security advisory published by GitHub Security Advisories with High severity. Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows...

Which CVE IDs does GHSA-xwrc-v28h-528j cover?

GHSA-xwrc-v28h-528j covers the following CVE IDs: CVE-2026-87022. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xwrc-v28h-528j?

GHSA-xwrc-v28h-528j has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-xwrc-v28h-528jHighCVSS 7.5

Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows...

Vendor

GitHub Security Advisories

Published

September 23, 2026

Last Modified

September 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-87022 →

📋 Description

Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling when per-message-deflate is used.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121.

The following versions were EOS at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.56 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.1.22, which fix the issue.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-87022
https://lists.apache.org/thread/ypvlkjqsq0480fnk9jm6h9qllddwlw4w
https://github.com/advisories/GHSA-xwrc-v28h-528j