CVE-2026-93846

LOW 3.8CVE-2026-93846 · Published 26/10/2026 · updated 02/11/2026

In short

CVE-2026-93846 is a LOW (CVSS 3.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.15%, higher than 4.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

Mattermost versions 11.7.x <= 11.7.10 fail to restrict which built-in roles can be assigned to a team member via the API, which allows a team admin to grant a team member permissions beyond those permitted by the configured permission scheme via the {{update-team-member-roles}} REST API.. Mattermost Advisory ID: MMSA-2026-00734

References

mattermost.com/security-updates

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