CVE-2025-25279

Description

Mattermost allows reading arbitrary files related to importing boards in github.com/mattermost/mattermost-server

How to fix CVE-2025-25279

To remediate CVE-2025-25279, upgrade the affected package to a fixed version below.

• Go/github.com/mattermost/mattermost-server—upgrade to 9.11.8+incompatible or later
• —no fix listed
• —no fix listed
• —upgrade to 8.0.0-20250122165010-4ed702ccff4e or later
• —upgrade to 8.0.0-20250122165010-4ed702ccff4e or later

Is CVE-2025-25279 being exploited?

Likely — EPSS is 55.2%, placing CVE-2025-25279 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.

Affected packages (5)

• >= 9.11.0-rc1+incompatible, < 9.11.8+incompatible, >= 10.2.0-rc1+incompatible, < 10.2.3+incompatible, >= 10.3.0-rc1+incompatible, < 10.3.3+incompatible, >= 10.4.0-rc1+incompatible, < 10.4.2+incompatible
• from 0
• from 0
• from 0, < 8.0.0-20250122165010-4ed702ccff4e
• from 0, < 8.0.0-20250122165010-4ed702ccff4e

CVSS scores

References (6)

• ADVISORYgithub.com/advisories/GHSA-5fwx-p6xh-vjrh
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2025-25279
• PATCHgithub.com/mattermost/mattermost
• WEBgithub.com/mattermost/mattermost/commit/4ed702ccff4ec3c9eff832a9b6060f9f4454141d