Server-Side Request Forgery (SSRF) in Roundcube Webmail - #VU132215
Published: May 25, 2026
Vulnerability identifier: #VU132215
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Roundcube
Affected software:
Roundcube Webmail
Roundcube Webmail
Detailed vulnerability description
The vulnerability allows a remote attacker to make the application send requests to unintended local addresses.
The vulnerability exists due to improper access control in URL fetching logic when handling specific local address URLs. A remote attacker can supply a specially crafted URL to make the application send requests to unintended local addresses.
Remediation
Install security update from vendor's website.