CVEvulnerability
CVE-2026-3112
4.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 4.9 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-22
Description
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to validate Advanced Logging file target paths which allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in support packet generation. Mattermost Advisory ID: MMSA-2025-00562
Affected configurations
• mattermost mattermost server (>= 10.11.0 < 10.11.12)
• mattermost mattermost server (>= 11.2.0 < 11.2.4)
• mattermost mattermost server (>= 11.3.0 < 11.3.2)
• mattermost mattermost server 11.4.0
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://mattermost.com/security-updates Vendor Advisory