CVE-2026-69211

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResponseCookie.render writes attacker-influenced name, content, domain, path, and extension values without neutralizing semicolons or control characters. An application that constructs a ResponseCookie from unvalidated...

CVE-2026-69211 Http4s: Set-Cookie rendering does not escape attribute delimiters

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResponseCookie.render writes attacker-influenced name, content, domain, path, and extension values without neutralizing semicolons or control characters. An application that constructs a ResponseCookie from unvalidated...

PT-2026-92380

Name of the Vulnerable Software and Affected Versions Http4s versions prior to 0.23.35 Http4s versions prior to 1.0.0-M47 Description The ResponseCookie.render function fails to neutralize semicolons or control characters when writing name, content, domain, path, and extension values. If an...