Medium severity6.8NVD Advisory· Published Aug 21, 2025· Updated Jun 17, 2026
CVE-2025-36530
CVE-2025-36530
Description
Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost-serverGo | >= 10.9.0, < 10.9.2 | 10.9.2 |
github.com/mattermost/mattermost-serverGo | >= 10.8.0, < 10.8.4 | 10.8.4 |
github.com/mattermost/mattermost-serverGo | >= 10.5.0, < 10.5.9 | 10.5.9 |
github.com/mattermost/mattermost-serverGo | >= 9.11.0, < 9.11.18 | 9.11.18 |
github.com/mattermost/mattermost/server/v8Go | < 8.0.0-20250619095651-9dd0b3943e55 | 8.0.0-20250619095651-9dd0b3943e55 |
github.com/mattermost/mattermost-server/v5Go | <= 5.11.1 | — |
github.com/mattermost/mattermost-server/v6Go | <= 6.7.2 | — |
Affected products
6cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=9.11.0,<9.11.18
- (no CPE)range: 10.9.0
- ghsa-coords4 versionspkg:golang/github.com/mattermost/mattermost-serverpkg:golang/github.com/mattermost/mattermost-server/v5pkg:golang/github.com/mattermost/mattermost-server/v6pkg:golang/github.com/mattermost/mattermost/server/v8
>= 10.9.0, < 10.9.2+ 3 more
- (no CPE)range: >= 10.9.0, < 10.9.2
- (no CPE)range: <= 5.11.1
- (no CPE)range: <= 6.7.2
- (no CPE)range: < 8.0.0-20250619095651-9dd0b3943e55
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-gq3r-5833-5532ghsaADVISORY
- mattermost.com/security-updatesnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2025-36530ghsaADVISORY
- pkg.go.dev/vuln/GO-2025-3901ghsaWEB
News mentions
0No linked articles in our index yet.