CVE-2025-2570: Mattermost Fails to Check User Access to `ExperimentalSettings`

May 15, 2025 (updated May 17, 2025)

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 fail to check RestrictSystemAdmin setting if user doesn’t have access to ExperimentalSettings which allows a System Manager to access ExperimentSettings when RestrictSystemAdmin is true via System Console.

References

github.com/advisories/GHSA-fpff-wj6m-grvr
github.com/mattermost/mattermost
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2025-2570

Code Behaviors & Features

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