CVE-2025-13352
LOW3.0EPSS 0.05%Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost
Published: 12/17/2025Modified: 3/3/2026
Description
Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost before v10.11.7-0.20251106103514-3b05384dd014; github.com/mattermost/mattermost-server before v10.11.7-0.20251106103514-3b05384dd014.
Affected packages (9)
- Go/github.com/mattermost/mattermostfrom 0, < 10.11.7-0.20251106103514-3b05384dd014
- Go/github.com/mattermost/mattermost>= 11.0.0-alpha.1+incompatible, < 11.1.0+incompatible
- Go/github.com/mattermost/mattermost-plugin-githubfrom 0, < 1.0.1-0.20250829075715-0deffcfc6bee
- Go/github.com/mattermost/mattermost-plugin-githubfrom 0, < 1.0.1-0.20250829075715-0deffcfc6bee
- Go/github.com/mattermost/mattermost-server>= 10.11.0-rc1+incompatible
- Go/github.com/mattermost/mattermost-server/v5from 0
- Go/github.com/mattermost/mattermost-server/v6from 0
- Go/github.com/mattermost/mattermost/server/v8from 0
- Go/github.com/mattermost/mattermost/server/v8>= 10.11.0-rc1, < 10.11.7-0.20251106103514-3b05384dd014
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N |
References (6)
- ADVISORYhttps://github.com/advisories/GHSA-jf5h-xfw4-p8gp
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-13352
- PATCHhttps://github.com/mattermost/mattermost
- WEBhttps://github.com/mattermost/mattermost/commit/3b05384dd0146c1be3caa620a42e00e46027055d
- WEBhttps://github.com/mattermost/mattermost-plugin-github/commit/0deffcfc6bee7eaf01f7c99100e3d12e8d9df68c
- WEBhttps://mattermost.com/security-updates