CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2025-41395
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3g36-gf7c-75qw | Go | github.com/mattermost/mattermost-plugin-playbooks | >=2.0.0 | no fix published |
| GHSA-3g36-gf7c-75qw | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250218121836-2b5275d87136 | 8.0.0-20250218121836-2b5275d87136 |
| GHSA-3g36-gf7c-75qw | Go | github.com/mattermost/mattermost/server/v8 | >=10.4.0 | no fix published |
| GHSA-3g36-gf7c-75qw | Go | github.com/mattermost/mattermost/server/v8 | >=10.5.0 | no fix published |
| GHSA-3g36-gf7c-75qw | Go | github.com/mattermost/mattermost/server/v8 | >=9.11.0 | no fix published |
| GHSA-3g36-gf7c-75qw | Go | github.com/mattermost/mattermost-plugin-playbooks | <1.41.0 | 1.41.0 |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-plugin-playbooks | all versions | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-plugin-playbooks | <1.41.0 | 1.41.0 |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-server | >=9.11.0+incompatible | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-server | >=10.4.0+incompatible | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-server | >=10.5.0+incompatible | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |
| GO-2025-3642 | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250218121836-2b5275d87136 | 8.0.0-20250218121836-2b5275d87136 |