External Control of File Name or Path in Roundcube Webmail - #VU132218

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Main Vulnerability Database Vulnerabilities #VU132218

External Control of File Name or Path in Roundcube Webmail - #VU132218

Published: May 25, 2026


Vulnerability identifier: #VU132218
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-73
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Roundcube
Affected software:
Roundcube Webmail

Detailed vulnerability description

The vulnerability allows a remote attacker to delete arbitrary files.

The vulnerability exists due to improper access control in session handling when session data can be poisoned through redis or memcache. A remote non-authenticated attacker can poison session data to delete arbitrary files.


Remediation

Install security update from vendor's website.

Sources