CVE-2026-8500: Evank Web::passwd

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Web::Passwd versions through 0.03 for Perl is vulnerable to RCE. Web::Passwd is a small CGI application for managing htpasswd files using the htpasswd command. The user parameter is not validated or escaped, and is used as the last argument on the command line, allowing for command injection.

Affected products

• Evank Web::passwd: up to and including 0.03

Published 2026-05-13. Last modified 2026-06-17.