CVE-2026-120638

A flaw was found in perl-cgi. The redirect function decodes HTML entities in target URLs before generating the HTTP Location header. A remote attacker could exploit this vulnerability by supplying a specially crafted URL containing encoded characters that bypasses application-level URL validation. Successful exploitation may result in an open redirect, tricking users into visiting untrusted or malicious external websites.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.