#VU122451 Protection mechanism failure in Roundcube - CVE-2026-25916

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Main Vulnerability Database Vulnerabilities #VU122451

#VU122451 Protection mechanism failure in Roundcube - CVE-2026-25916

Published: February 8, 2026 / Updated: February 13, 2026


Vulnerability identifier: #VU122451
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Green
CVE-ID: CVE-2026-25916
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Roundcube
Software vendor:
Roundcube

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of security measures. A remote attacker can send a specially crafted email and bypass image blocking via SVG content.


Remediation

Install updates from vendor's website.

External links