VDB
CVE-2026-3112
CVE-2026-3112
PUBLISHED
CVSS 6.800000190734863 MEDIUM
Mattermost allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration
EPSS 0.02% · 5.7th percentile
Risk Scores
CVSS 3.1
6.800000190734863
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS Score
0.02%
5.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| mattermost | mattermost_server | 11.2.0, 11.3.0, 11.4.0 |
| github.com | mattermost/mattermost/server/v8 | 8.0.0-20260105080200-d27a2195068d, 11.4.0-rc1, 11.3.0-rc1 |
| Mattermost | Mattermost | 11.4.1, 11.3.2, 11.2.4 |
Exploit Intelligence
- MMSA-2025-00562 (circl)
- CVE-2026-3112.yml (github-poc)
- CVE-2026-3112.yml (github-poc)
- CVE-2026-3112.yml (github-poc)
- CVE-2026-3112.yml (github-poc)
- CVE-2026-3112.yml (github-poc)
- CVE-2026-3112.yml (github-poc)
Timeline
- Mar 26, 2026 CVE Published
- Mar 27, 2026 Coalition ESS Score
- Mar 27, 2026 Security Advisory
- Mar 29, 2026 Security Advisory
- Mar 31, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
References
- MMSA-2025-00562 vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-3112 advisory
- https://github.com/mattermost/mattermost package