Server-Side Request Forgery (SSRF) in Zimbra Collaboration - CVE-2025-25065
Published: April 21, 2026
Vulnerability identifier: #VU126625
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-25065
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in the RSS feed parser. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Zimbra Collaboration
How to mitigate CVE-2025-25065
Install updates from vendor's website.
Zimbra Collaboration - addressed in versions 9.0.0 Patch 43, 10.0.12, 10.1.4