VDB
CVE-2025-55074
CVE-2025-55074
PUBLISHED
CVSS 3 LOW
Mattermost allows other users to determine when users had read channels via channel member objects
EPSS 0.02% · 6.8th percentile
Risk Scores
CVSS v3.1
3
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
EPSS Score
0.02%
6.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | mattermost/mattermost/server/v8 | 0 |
| mattermost | mattermost_server | 10.5.0, 10.11.0 |
| Mattermost | Mattermost | 10.5.12, 10.11.0, 10.5.0 |
| github.com | mattermost/mattermost-server | 10.11.0, 10.5.0 |
Timeline
- Nov 18, 2025 CVE Published
- Nov 18, 2025 PoC Published
- Nov 19, 2025 EPSS Score
- Nov 19, 2025 CVE Updated
- Nov 24, 2025 EPSS Score
- Nov 29, 2025 EPSS Score
- Dec 4, 2025 EPSS Score
- Dec 8, 2025 EPSS Score
- Dec 13, 2025 EPSS Score
- Dec 18, 2025 EPSS Score
- Dec 23, 2025 EPSS Score
- Dec 28, 2025 EPSS Score
References
- https://mattermost.com/security-updates url
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074 advisory
- https://github.com/mattermost/mattermost/pull/33835 url
- https://github.com/mattermost/mattermost/pull/33905 url
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52 url
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149 url
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5 url
- https://github.com/advisories/GHSA-9hh7-6558-qfp2 advisory
- https://github.com/mattermost/mattermost package