CVE-2025-54499
LOW3.1EPSS 0.03%Mattermost has an Observable Timing Discrepancy vulnerability in github.com/mattermost/mattermost-server
Published: 10/16/2025Modified: 3/3/2026
Description
Mattermost has an Observable Timing Discrepancy vulnerability in github.com/mattermost/mattermost-server
Affected packages (6)
- Go/github.com/mattermost/mattermost-server>= 10.5.0, < 10.5.11
- Go/github.com/mattermost/mattermost-server>= 10.5.0+incompatible, < 10.5.11+incompatible, >= 10.11.0+incompatible, < 10.11.3+incompatible
- Go/github.com/mattermost/mattermost-server/v5from 0
- Go/github.com/mattermost/mattermost-server/v6from 0
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250728063359-38208b8f065f
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250728063359-38208b8f065f
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
References (6)
- ADVISORYhttps://github.com/advisories/GHSA-xr3w-rmvj-f6m7
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-54499
- PATCHhttps://github.com/mattermost/mattermost
- WEBhttps://github.com/mattermost/mattermost/commit/38208b8f065f0786eac0e968f9d754b91b62878c
- WEBhttps://github.com/mattermost/mattermost/commit/97a4c7839cf5610cfe17c52042878aebb7678372
- WEBhttps://mattermost.com/security-updates