Go/github.com/mattermost/mattermost/server/v8 CVE-2025-11777: medium 4.3, EPSS 0.20%

Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost

Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20251212204551-54f2e9b4afd5 or later.

go get github.com/mattermost/mattermost/server/v8@v8.0.0-20251212204551-54f2e9b4afd5

Affected

Fixed versions

Sources

• osv: GO-2025-4122#Go/github.com/mattermost/mattermost/server/v8
• nvd: CVE-2025-11777
• https://github.com/advisories/GHSA-mqcj-8c2g-h97q
• https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
• https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
• https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
• https://mattermost.com/security-updates

CVE-2025-11777 · published 2025-11-17T19:11:25Z · modified 2026-03-03T04:57:37.136860Z · JSON