CVE-2025-12419
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20251028000919-d3ed703dc833 | 8.0.0-20251028000919-d3ed703dc833 |
| Go | github.com/mattermost/mattermost-server | >=10.12.0,<10.12.2 | 10.12.2 |
| Go | github.com/mattermost/mattermost-server | >=10.11.0,<10.11.5 | 10.11.5 |
| Go | github.com/mattermost/mattermost-server | >=10.5.0,<10.5.13 | 10.5.13 |
| Go | github.com/mattermost/mattermost-server | >=11.0.0,<11.0.4 | 11.0.4 |
| Go | github.com/mattermost/mattermost-server | | |
| Go | github.com/mattermost/mattermost-server/v5 | | |
| Go | github.com/mattermost/mattermost-server/v6 | | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-12419
- https://github.com/mattermost/mattermost/pull/34296
- https://github.com/mattermost/mattermost/commit/15364790cc277cfaa372693d2d5442b87f70fd42
- https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a
- https://github.com/mattermost/mattermost/commit/46b5c436bb3093cc1da3fa2455f93d4c52389eee
- https://github.com/mattermost/mattermost/commit/c3f4818afe46a7084740e809708ae22641c76d8d
- https://github.com/mattermost/mattermost/commit/d3ed703dc8330684952eb8d49a375bac6ea7b0c6
- https://github.com/advisories/GHSA-3x39-62h4-f8j6
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
Verify integrity in audit chain (admin only). AS-IS.