CVE-2026-8500

critical

Published 2026-05-13 · Modified 2026-05-14

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

—

VIR risk

9.8

Description

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

https://httpd.apache.org/docs/current/programs/htpasswd.html
https://metacpan.org/release/EVANK/Web-Passwd-0.03
http://www.openwall.com/lists/oss-security/2026/05/13/8

CWEs

CWE-78

Verify integrity in audit chain (admin only). AS-IS.