CVE-2026-34835 | Rack up to 3.1.20/3.2.5 Regular Expression Rack::Request improper validation of syntactic correctness of input (EUVD-2026-18478)
A vulnerability marked as problematic has been reported in Rack up to 3.1.20/3.2.5. Impacted is the function Rack::Request of the component Regular Expression Handler. The manipulation leads to improper validation of syntactic correctness of input.
This vulnerability is listed as CVE-2026-34835. The attack may be initiated remotely. There is no available exploit.
It is suggested to upgrade the affected component.