CVE-2026-64941

URL Redirection to Untrusted Site 'Open Redirect' vulnerability in phoenixframework phoenixliveview allows an attacker to send a victim's browser to an origin of the attacker's choosing via a :to value containing ASCII tab, LF or CR. redirect/2 validates :to through the private validatelocalurl!/...

CVE-2026-64941 Open redirect in Phoenix.LiveView.validate_local_url!/2 via ASCII tab, LF and CR

URL Redirection to Untrusted Site 'Open Redirect' vulnerability in phoenixframework phoenixliveview allows an attacker to send a victim's browser to an origin of the attacker's choosing via a :to value containing ASCII tab, LF or CR. redirect/2 validates :to through the private validatelocalurl!/...

CVE-2026-64941

The CVE describes an Open Redirect in Phoenix.LiveView.validate_local_url!/2 where ASCII tab, LF or CR are not rejected. This allows a crafted :to value to bypass path-only validation and be resolved as a scheme-relative URL (e.g., //example.com) when using redirect/2 and related navigation funct...