CVE Watch—

CVE-2017-16651

Roundcube Webmail File Disclosure Vulnerability

CVSS

—

No CVSS

EPSS

36.9%

p98

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

36.9%EPSS · 30 days42.8%

2026-06-302026-07-16

KEV catalog record

Product

Roundcube / Roundcube Webmail

Vulnerability

Roundcube Webmail File Disclosure Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Summary description

Roundcube Webmail contains a file disclosure vulnerability caused by insufficient input validation in conjunction with file-based attachment plugins, which are used by default.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-16651

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