Mattermost allows other users to determine when users had read channels via channel member objects in github.com/mattermost/mattermost-server
Mattermost allows other users to determine when users had read channels via channel member objects 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/v8 before v8.0.0-20250905150616-ba86dfc5876b6.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-55074US | low3.5OT elevated | — | ||
Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/advisories/GHSA-9hh7-6558-qfp2ADVISORY
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52WEB
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149WEB
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5WEB
- https://github.com/mattermost/mattermost/pull/33835WEB
- https://github.com/mattermost/mattermost/pull/33905WEB
- https://mattermost.com/security-updatesWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074ADVISORY
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