GHSA-wfp9-hhgh-rm6pLowCVSS 2.7

Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the...

Published
October 26, 2026
Last Modified
October 26, 2026

🔗 CVE IDs covered (1)

📋 Description

Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774

🔗 References (3)