PT-2026-40831 · Cpan · Web::Passwd

Robert Rothenberg · Published 2026-05-13 · Updated 2026-05-15 · CVE-2026-8500

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Web::Passwd version 0.03

Description Web::Passwd, a small CGI application for managing htpasswd files via the htpasswd command, allows remote code execution. The user parameter is not validated or escaped before being used as the final argument on the command line, which enables command injection.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-8500

Affected Products

Web::Passwd

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-8500 · Security Note
• https://t.me/CVEtracker/53728 · Telegram Post
• https://t.me/cveNotify/163385 · Telegram Post
• https://twitter.com/CVEnew/status/2054709172852396234 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2054770714897457280 · Twitter Post
• https://twitter.com/oss_security/status/2055157445891117229 · Twitter Post
• https://t.me/cveNotify/163389 · Telegram Post
• http://openwall.com/lists/oss-security/2026/05/13/8 · Note
• https://metacpan.org/release/EVANK/Web-Passwd-0.03 · Note
• https://httpd.apache.org/docs/current/programs/htpasswd.html · Note