CVE-2025-4128
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Mattermost allows guest users to view information about public teams they are not members of in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250422131222-701ddc896a10 | 8.0.0-20250422131222-701ddc896a10 |
| Go | github.com/mattermost/mattermost-server | >=10.5.0,<10.5.5 | 10.5.5 |
| Go | github.com/mattermost/mattermost-server | >=9.11.0,<9.11.14 | 9.11.14 |
| Go | github.com/mattermost/mattermost-server | >=10.5.0+incompatible,<10.5.5+incompatible | 9.11.14+incompatible |
| Go | github.com/mattermost/mattermost-server/v5 | | |
| Go | github.com/mattermost/mattermost-server/v6 | | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-4128
- https://github.com/mattermost/mattermost/commit/2138a5f2ca6f75e2b99f6a04ea569d0f680c4fab
- https://github.com/mattermost/mattermost/commit/701ddc896a107b13f457fbdbe229bce5019fc516
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-jwhw-xf5v-qgxc
Verify integrity in audit chain (admin only). AS-IS.