GHSA-mp6x-97xj-9x62Published
Mattermost fails to to verify the token used during code exchange
Exact source revision recorded 24 Oct 2026 13:19:41 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2025-12421 · Microsoft / collected KEV context
osv · GHSA-mp6x-97xj-9x62
- https://nvd.nist.gov/vuln/detail/CVE-2025-12421
- https://github.com/mattermost/mattermost/commit/5072bbf689a46b3b97b2373f26149f5891396e6b
- https://github.com/mattermost/mattermost/commit/acda1fb5dd46a2f46c76ae67012423c760525eaa
- https://github.com/mattermost/mattermost/commit/f361e7d75a7ab9df5a2106e1ceb919b94b55e41d
- https://github.com/mattermost/mattermost/commit/feb598ed2b7ac3cb78a253b032ad7e4628b0de00
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
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