CVE-2025-54499
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Mattermost has an Observable Timing Discrepancy vulnerability 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 | <8.0.0-20250728063359-38208b8f065f | 8.0.0-20250728063359-38208b8f065f |
| Go | github.com/mattermost/mattermost-server | >=10.5.0,<10.5.11 | 10.5.11 |
| Go | github.com/mattermost/mattermost-server | >=10.11.0,<10.11.3 | 10.11.3 |
| Go | github.com/mattermost/mattermost-server | >=10.11.0+incompatible,<10.11.3+incompatible | 10.5.11+incompatible |
| Go | github.com/mattermost/mattermost-server/v5 | | |
| Go | github.com/mattermost/mattermost-server/v6 | | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-54499
- https://github.com/mattermost/mattermost/commit/38208b8f065f0786eac0e968f9d754b91b62878c
- https://github.com/mattermost/mattermost/commit/97a4c7839cf5610cfe17c52042878aebb7678372
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-xr3w-rmvj-f6m7
Verify integrity in audit chain (admin only). AS-IS.