Description
Mattermost versions 9.11.x <= 9.11.8 fail to enforce proper access controls on the /api/v4/audits endpoint, allowing users with delegated granular administration roles who lack access to Compliance Monitoring to retrieve User Activity Logs.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 9.11.0 – ≤ 9.11.8 | 10.5.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20250422T181640-1.1 | openSUSE-SU-2025:15017-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 9.11.0+incompatible, < 9.11.9+incompatible | 9.11.9+incompatible | GO-2025-3604 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2025-3604 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2025-3604 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.11.0, < 9.11.9 | 9.11.9 | GHSA-xfq9-hh5x-xfq9 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250204211032-f52e08754c49 | 8.0.0-20250204211032-f52e08754c49 | GHSA-xfq9-hh5x-xfq9 |
| Go | github.com/mattermost/mattermost/server/v8 | all versions | — | GO-2025-3604 |
Advisories 2
- openSUSE-SU-2025:15017-1 govulncheck-vulndb-0.0.20250422T181640-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0410 Mattermost: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 10, 2025