Low severity3.3NVD Advisory· Published Mar 21, 2025· Updated Jun 17, 2026
CVE-2025-27715
CVE-2025-27715
Description
Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.
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/server/v8Go | >= 9.11.0, < 9.11.9 | 9.11.9 |
Affected products
5cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=9.11.0,<9.11.9
- (no CPE)range: 9.11.0
- osv-coords3 versionspkg:bitnami/mattermostpkg:golang/github.com/mattermost/mattermost/server/v8pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
>= 9.11.0, < 10.0.0+ 2 more
- (no CPE)range: >= 9.11.0, < 10.0.0
- (no CPE)range: >= 9.11.0, < 9.11.9
- (no CPE)range: < 0.0.20250327T184518-1.1
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-cw7q-5cgc-h3h9ghsaADVISORY
- mattermost.com/security-updatesnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2025-27715ghsaADVISORY
News mentions
0No linked articles in our index yet.