Vulnerability · Published May 13, 2026 · Assigned by CPANSec
CVE-2026-8500Web::Passwd versions through 0.03 for Perl is vulnerable to RCE
Critical 9.8
In plain English
A critical-severity OS command injection in Web::Passwd from EVANK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.7%top 23.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EVANK | Web::Passwd | 0 – through 0.03 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H