CVE-2026-34763 | Rack up to 2.2.22/3.1.20/3.2.5 Regular Expression Rack::Directory permissive regular expression (GHSA-7mqq-6cf9-v2qp / Nessus ID 304833)
A vulnerability classified as problematic was found in Rack up to 2.2.22/3.1.20/3.2.5. Impacted is the function Rack::Directory of the component Regular Expression Handler. The manipulation results in permissive regular expression.
This vulnerability is reported as CVE-2026-34763. The attack can be launched remotely. No exploit exists.
Upgrading the affected component is advised.