GitHub Advisoryadvisory · Go
GHSA-v469-7wp6-7cvp Mattermost allows reading arbitrary files
CRITICAL
Official page ↗
- Aliases
- CVE-2025-20051
- Ecosystem
- Go
- Packages
- github.com/mattermost/mattermost/server/v8
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-22
- Reviewed
- 2025-02-24
Affected packages
• Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20250122165010-4ed702ccff4e → fixed in 8.0.0-20250122165010-4ed702ccff4e
• Go github.com/mattermost/mattermost/server/v8: >= 9.11.0-rc1, < 9.11.8 → fixed in 9.11.8
• Go github.com/mattermost/mattermost/server/v8: >= 10.2.0-rc1, < 10.2.3 → fixed in 10.2.3
• Go github.com/mattermost/mattermost/server/v8: >= 10.3.0-rc1, < 10.3.3 → fixed in 10.3.3
• Go github.com/mattermost/mattermost/server/v8: >= 10.4.0-rc1, < 10.4.2 → fixed in 10.4.2
Description
Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.
Related
Alias · CVE (1)
- CVE-2025-20051 Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching… vulnerability
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-20051 advisory
- https://github.com/mattermost/mattermost-plugin-boards/commit/025ce8d363a054473bc002f43f602a4032d38c06 web
- https://github.com/mattermost/mattermost/commit/4ed702ccff4ec3c9eff832a9b6060f9f4454141d web
- https://github.com/mattermost/mattermost package
- https://mattermost.com/security-updates web