What is GHSA-f5mp-j4vf-9jp4?

GHSA-f5mp-j4vf-9jp4 is a security advisory published by GitHub Security Advisories with Low severity. Mattermost versions 10.11.x \u003c= 10.11.20, 11.7.x \u003c= 11.7.5 Mattermost fails to remove thread...

Which CVE IDs does GHSA-f5mp-j4vf-9jp4 cover?

GHSA-f5mp-j4vf-9jp4 covers the following CVE IDs: CVE-2026-9693. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f5mp-j4vf-9jp4?

GHSA-f5mp-j4vf-9jp4 has a CVSS v3 base score of 3.5, published by GitHub Security Advisories.

GHSA-f5mp-j4vf-9jp4LowCVSS 3.5

Mattermost versions 10.11.x <= 10.11.20, 11.7.x <= 11.7.5 Mattermost fails to remove thread...

Vendor

GitHub Security Advisories

Published

August 18, 2026

Last Modified

August 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-9693 →

📋 Description

Mattermost versions 10.11.x <= 10.11.20, 11.7.x <= 11.7.5 Mattermost fails to remove thread membership records when a user is removed from or leaves a team, which allows a previously removed user who is later re-invited to the team to view private channel thread root post content and metadata via the team threads API.. Mattermost Advisory ID: MMSA-2026-00682

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-9693
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-f5mp-j4vf-9jp4