VDB
CVE-2026-3108
CVE-2026-3108
PUBLISHED
CVSS 8 HIGH
Mattermost allows attackers to manipulate administrator terminals via crafted messages containing ANSI and OSC escape sequences
EPSS 0.02% · 4.8th percentile
Risk Scores
CVSS v3.1
8
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS Score
0.02%
4.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| mattermost | mattermost_server | 10.11.0, 11.3.0, 11.4.0 |
| github.com | mattermost/mattermost/server/v8 | 11.3.0-rc1, 11.2.0-rc1, 8.0.0-20260105080200-d27a2195068d |
| Mattermost | Mattermost | 10.11.11, 11.4.1, 11.3.2 |
Timeline
- Mar 26, 2026 CVE Published
- Mar 26, 2026 PoC Published
- Mar 26, 2026 PoC Published
- Mar 27, 2026 Coalition ESS Score
- Mar 27, 2026 Security Advisory
- Mar 29, 2026 Security Advisory
- Mar 30, 2026 PoC Published
- 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