Vulnerability in Mattermost
CVE-2025-1412
Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.
EPSS: 0.002 (16.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Mattermost — versions 9.11.0, 10.4.0, 10.5.0
- Mattermost Mattermost_server
Weakness classification (CWE)
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-1412?
- CVE-2025-1412 is a low-severity vulnerability in Mattermost, classified under Session Fixation. CVSS score: 3.1/10. Published 2025-02-24.
- How severe is CVE-2025-1412?
- Low severity. CVSS v3 base score is 3.1 out of 10.