SSRF in Mattermost
CVE-2025-47700
Mattermost Server versions 10.5.x <= 10.5.9 utilizing the Agents plugin fail to reject empty request bodies which allows users to trick users into clicking malicious links via post actions
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Mattermost — versions 10.10.0, 10.5.9, 10.5.0
- Mattermost Mattermost_server
Weakness classification (CWE)
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-47700?
- CVE-2025-47700 is a low-severity vulnerability in Mattermost, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.5/10. Published 2025-08-21.
- How severe is CVE-2025-47700?
- Low severity. CVSS v3 base score is 3.5 out of 10.