CVE-2025-12756

unknown
Published 2025-12-01 · Modified 2026-03-03
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v2
VIR risk

Description

Mattermost fails to validate user permissions when deleting comments in Boards in github.com/mattermost/mattermost

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

EcosystemPackageVulnerableFixed
golang Gogithub.com/mattermost/mattermost/server/v8<=8.0.0-20251013062617-7977e7e6dae3
golang Gogithub.com/mattermost/mattermost>=10.11.0,<=10.11.4
golang Gogithub.com/mattermost/mattermost>=10.12.0,<=10.12.1
golang Gogithub.com/mattermost/mattermost>=10.5.0,<=10.5.12
golang Gogithub.com/mattermost/mattermost>=11.0.0,<=11.0.2
golang Gogithub.com/mattermost/mattermost
golang Gogithub.com/mattermost/mattermost>=10.5.0+incompatible
golang Gogithub.com/mattermost/mattermost>=10.11.0+incompatible
golang Gogithub.com/mattermost/mattermost>=10.12.0+incompatible
golang Gogithub.com/mattermost/mattermost-server
golang Gogithub.com/mattermost/mattermost-server/v5
golang Gogithub.com/mattermost/mattermost-server/v6
golang Gogithub.com/mattermost/mattermost/server/v8

References

Verify integrity in audit chain (admin only). AS-IS.