CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NCVE-2025-24920
Medium (4.3) in mattermost mattermost server. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 10.3.4, 10.4.3, 10.5.1.
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-rp74-x43m-cpw3 | Go | github.com/mattermost/mattermost/server/v8 | >=10.4.0 <10.4.3 | 10.4.3 |
| GHSA-rp74-x43m-cpw3 | Go | github.com/mattermost/mattermost/server/v8 | >=10.3.0 <10.3.4 | 10.3.4 |
| GHSA-rp74-x43m-cpw3 | Go | github.com/mattermost/mattermost/server/v8 | >=9.11.0 <9.11.9 | 9.11.9 |
| GHSA-rp74-x43m-cpw3 | Go | github.com/mattermost/mattermost/server/v8 | >=10.5.0 <10.5.1 | 10.5.1 |
| GO-2025-3552 | Go | github.com/mattermost/mattermost-server | >=9.11.0+incompatible <9.11.9+incompatible >=10.3.0+incompatible <10.3.4+incompatible >=10.4.0+incompatible <10.4.3+incompatible >=10.5.0+incompatible <10.5.1+incompatible | 9.11.9+incompatible, 10.3.4+incompatible, 10.4.3+incompatible, 10.5.1+incompatible |
| GO-2025-3552 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2025-3552 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2025-3552 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |