CVE-2017-16651
Roundcube Webmail File Disclosure Vulnerability
Roundcube · Roundcube Webmail
Vulnerability details
Roundcube Webmail contains a file disclosure vulnerability caused by insufficient input validation in conjunction with file-based attachment plugins, which are used by default.
Added to CISA KEV: 2021-11-03
Ransomware campaign use: Unknown
CISA due date: 2022-05-03
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC