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CVE

CVE-2025-12419

Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server
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CVE

CVE-2025-12419

Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server

Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/mattermost/mattermost-server from v10.5.0 before v10.5.13, from v10.11.0 before v10.11.5, from v10.12.0 before v10.12.2, from v11.0.0 before v11.0.4.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/advisories/GHSA-3x39-62h4-f8j6, https://nvd.nist.gov/vuln/detail/CVE-2025-12419, 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/mattermost/mattermost/pull/34296, https://mattermost.com/security-updates

Severity

9.9

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.9
EPSS Probability
0.00095%
EPSS Percentile
0.26518%
Introduced Version
0,v8.0.0,v10.6.0-rc1,v10.12.0-rc1,v11.0.0-alpha.1,v11.1.0-rc1,v8.0.0-20230611052435-efaa6264cc9a,v8.0.0-20230418053528-b200a078819e,v6.0.0-20230322212227-c943ed6859b1,v6.0.0,v6.0.0-20210722065147-c4b4e1bc38eb,v5.18.0-rc.test,v5.0.0-20191128133938-2259b7f2a8b9,v4.3.0-rc1+incompatible,v0.0.0-20170906221254-1adfd0e9be69,v3.9.0+incompatible,v0.0.0-20170410121949-dfc6db737411,v3.0.0+incompatible,v0.0.0-20160422053701-2e5617c29be6
Fix Available
8.0.0-20251028000919-d3ed703dc833,v10.5.13,v10.11.5,v10.12.2,v11.0.4,v11.1.0-rc2,v8.0.0-20251028000919-d3ed703dc833

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