CVE-2025-12689
- Source
- https://cve.org/CVERecord?id=CVE-2025-12689
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12689.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-12689
- Aliases
- Published
- 2025-12-17T19:16:00.537Z
- Modified
- 2026-02-13T02:48:00.421076Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Mattermost versions 11.0.x <= 11.0.4, 10.12.x <= 10.12.2, 10.11.x <= 10.11.6 fail to check WebSocket request field for proper UTF-8 format, which allows attacker to crash Calls plug-in via sending malformed request.
- References
Affected packages
Git / github.com/mattermost/mattermost-server
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mattermost/mattermost-server
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixedIntroducedFixed
Affected versions
@mattermost/client@10.*
@mattermost/client@10.11.0
@mattermost/client@10.12.0
@mattermost/types@10.*
@mattermost/types@10.11.0
@mattermost/types@10.12.0
mattermost-redux@10.*
mattermost-redux@10.11.0
mattermost-redux@10.12.0
v10.*
v10.11.0
v10.11.0-rc3
v10.11.1
v10.11.1-rc1
v10.11.2
v10.11.2-rc1
v10.11.2-rc2
v10.11.3
v10.11.4
v10.11.4-rc1
v10.11.4-rc2
v10.11.4-rc3
v10.11.5
v10.11.6
v10.12.0
v10.12.0-rc1
v10.12.0-rc2
v10.12.0-rc3
v10.12.1
v10.12.1-rc1
v10.12.2