What is GHSA-rxgw-2f9c-c2hh?

GHSA-rxgw-2f9c-c2hh is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost versions 11.8.x \u003c= 11.8.0, 11.7.x \u003c= 11.7.3, 11.6.x \u003c= 11.6.5, 10.11.x \u003c= 10.11.20...

Which CVE IDs does GHSA-rxgw-2f9c-c2hh cover?

GHSA-rxgw-2f9c-c2hh covers the following CVE IDs: CVE-2026-7521. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rxgw-2f9c-c2hh?

GHSA-rxgw-2f9c-c2hh has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-rxgw-2f9c-c2hhMediumCVSS 5.5

Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20...

Vendor

GitHub Security Advisories

Published

July 28, 2026

Last Modified

July 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-7521 →

📋 Description

Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint.. Mattermost Advisory ID: MMSA-2026-00666

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-7521
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-rxgw-2f9c-c2hh