CVE-2025-64641
Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts
- CVSS 3.1
- 4.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N - EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-vww6-79rv-3j4x | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20251121122154-b57c297c6d7 | 8.0.0-20251121122154-b57c297c6d7 |
| GHSA-vww6-79rv-3j4x | Go | github.com/mattermost/mattermost-server | >=10.11.0 <10.11.8 | 10.11.8 |
| GHSA-vww6-79rv-3j4x | Go | github.com/mattermost/mattermost-server | >=10.12.0 <10.12.4 | 10.12.4 |
| GHSA-vww6-79rv-3j4x | Go | github.com/mattermost/mattermost-server | >=11.0.0 <11.0.6 | 11.0.6 |
| GHSA-vww6-79rv-3j4x | Go | github.com/mattermost/mattermost-server | >=11.1.0 <11.1.1 | 11.1.1 |
| GO-2025-4260 | Go | github.com/mattermost/mattermost-server | >=10.11.0+incompatible <10.11.8+incompatible >=10.12.0+incompatible <10.12.4+incompatible >=11.0.1+incompatible <11.0.6+incompatible >=11.1.0+incompatible <11.1.1+incompatible | 10.11.8+incompatible, 10.12.4+incompatible, 11.0.6+incompatible, 11.1.1+incompatible |
| GO-2025-4260 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2025-4260 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2025-4260 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |