GHSA-xr3w-rmvj-f6m7LowCVSS 3.1
Mattermost has an Observable Timing Discrepancy vulnerability
🔗 CVE IDs covered (1)
📋 Description
Mattermost versions 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets.
🎯 Affected products3
- go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250728063359-38208b8f065f
- go/github.com/mattermost/mattermost-server:>= 10.5.0, < 10.5.11
- go/github.com/mattermost/mattermost-server:>= 10.11.0, < 10.11.3
🔗 References (5)
- https://nvd.nist.gov/vuln/detail/CVE-2025-54499
- https://mattermost.com/security-updates
- https://github.com/mattermost/mattermost/commit/38208b8f065f0786eac0e968f9d754b91b62878c
- https://github.com/mattermost/mattermost/commit/97a4c7839cf5610cfe17c52042878aebb7678372
- https://github.com/advisories/GHSA-xr3w-rmvj-f6m7