High severity · published Feb 24, 2025
CVE-2025-1412
Session Persistence After User-to-Bot Conversion
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
9.11.0 through 9.11.6; 10.4.0 through 10.4.1 · source: vendor
MS
Mattermost Server · Mattermost
9.11.0 before 9.11.7; 10.4.0 before 10.4.2 · source: NVD
Affected product
MA
Mattermost
Mattermost
More from Mattermost
9.9
CVE-2026-4858
Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
9.9
CVE-2025-12421
Account Takeover via Code Exchange Endpoint
9.9
CVE-2025-12419
Account takeover on OAuth/OpenID-enabled servers
9.9
CVE-2025-4981
Path Traversal Leading to RCE by Any Authenticated Mattermost User
9.6
CVE-2024-39777
Malicious remote can invite itself to an arbitrary local channel