Low severityNVD Advisory· Published Aug 21, 2025· Updated Aug 21, 2025
Thread summarization allows persistent access to channel
CVE-2025-49810
Description
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
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 | >= 10.5.0, < 10.5.9 | 10.5.9 |
github.com/mattermost/mattermost/server/v8Go | < 8.0.0-20250721095846-c602a4a78e1f | 8.0.0-20250721095846-c602a4a78e1f |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/mattermost/mattermost-serverpkg:golang/github.com/mattermost/mattermost/server/v8
>= 10.5.0, < 10.5.9+ 1 more
- (no CPE)range: >= 10.5.0, < 10.5.9
- (no CPE)range: < 8.0.0-20250721095846-c602a4a78e1f
- Range: 10.5.0
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-pwvr-grqg-7vp2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-49810ghsaADVISORY
- mattermost.com/security-updatesghsaWEB
- pkg.go.dev/vuln/GO-2025-3903ghsaWEB
News mentions
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