CVE-2025-55074
6 advisories.
Go/github.com/mattermost/mattermost-server CVE-2025-55074: low 3, EPSS 0.18%
Mattermost allows other users to determine when users had read channels via channel member objects
Action: Upgrade github.com/mattermost/mattermost-server to 10.5.12 or later.
go get github.com/mattermost/mattermost-server@v10.11.4go get github.com/mattermost/mattermost-server@v10.5.12Affected
| introduced | fixed | last affected |
|---|---|---|
| 10.11.0 | 10.11.4 | - |
| 10.5.0 | 10.5.12 | - |
Fixed versions
| 10.11.4 | 10.5.12 |
Sources
- osv: GHSA-9hh7-6558-qfp2
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074
- https://github.com/mattermost/mattermost/pull/33835
- https://github.com/mattermost/mattermost/pull/33905
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
- https://github.com/advisories/GHSA-9hh7-6558-qfp2
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2025-55074 · published · modified · JSON
Go/github.com/mattermost/mattermost/server/v8 CVE-2025-55074: low 3, EPSS 0.18%
Mattermost allows other users to determine when users had read channels via channel member objects
Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250905150616-ba86dfc5876b6 or later.
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20250905150616-ba86dfc5876b6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 8.0.0-20250905150616-ba86dfc5876b6 | - |
Fixed versions
| 8.0.0-20250905150616-ba86dfc5876b6 |
Sources
- osv: GHSA-9hh7-6558-qfp2#Go/github.com/mattermost/mattermost/server/v8
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074
- https://github.com/mattermost/mattermost/pull/33835
- https://github.com/mattermost/mattermost/pull/33905
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
- https://github.com/advisories/GHSA-9hh7-6558-qfp2
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2025-55074 · published · modified · JSON
Go/github.com/mattermost/mattermost-server CVE-2025-55074: unknown, EPSS 0.18%
Mattermost allows other users to determine when users had read channels via channel member objects in github.com/mattermost/mattermost-server
Action: Upgrade github.com/mattermost/mattermost-server to 10.5.12+incompatible or later.
go get github.com/mattermost/mattermost-server@v10.5.12+incompatiblego get github.com/mattermost/mattermost-server@v10.11.4+incompatibleAffected
| introduced | fixed | last affected |
|---|---|---|
| 10.5.0+incompatible | 10.5.12+incompatible | - |
| 10.11.0+incompatible | 10.11.4+incompatible | - |
Fixed versions
| 10.5.12+incompatible | 10.11.4+incompatible |
Sources
- osv: GO-2025-4133
- https://github.com/advisories/GHSA-9hh7-6558-qfp2
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
- https://github.com/mattermost/mattermost/pull/33835
- https://github.com/mattermost/mattermost/pull/33905
- https://mattermost.com/security-updates
CVE-2025-55074 · published · modified · JSON
Go/github.com/mattermost/mattermost-server/v5 CVE-2025-55074: unknown, EPSS 0.18%
Mattermost allows other users to determine when users had read channels via channel member objects in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-4133#Go/github.com/mattermost/mattermost-server/v5
- https://github.com/advisories/GHSA-9hh7-6558-qfp2
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
- https://github.com/mattermost/mattermost/pull/33835
- https://github.com/mattermost/mattermost/pull/33905
- https://mattermost.com/security-updates
CVE-2025-55074 · published · modified · JSON
Go/github.com/mattermost/mattermost-server/v6 CVE-2025-55074: unknown, EPSS 0.18%
Mattermost allows other users to determine when users had read channels via channel member objects in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-4133#Go/github.com/mattermost/mattermost-server/v6
- https://github.com/advisories/GHSA-9hh7-6558-qfp2
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
- https://github.com/mattermost/mattermost/pull/33835
- https://github.com/mattermost/mattermost/pull/33905
- https://mattermost.com/security-updates
CVE-2025-55074 · published · modified · JSON
Go/github.com/mattermost/mattermost/server/v8 CVE-2025-55074: unknown, EPSS 0.18%
Mattermost allows other users to determine when users had read channels via channel member objects in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-4133#Go/github.com/mattermost/mattermost/server/v8
- https://github.com/advisories/GHSA-9hh7-6558-qfp2
- https://nvd.nist.gov/vuln/detail/CVE-2025-55074
- https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52
- https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149
- https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5
- https://github.com/mattermost/mattermost/pull/33835
- https://github.com/mattermost/mattermost/pull/33905
- https://mattermost.com/security-updates
CVE-2025-55074 · published · modified · JSON