Vulnerability in Curl

CVE-2026-8924

A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set 'super cookies' that bypass the Public Suffix List check. This enables an attacker-controlled origin to inject cookies that curl subsequently scopes and transmits…

Affected products

  • Curl — versions 8.20.0, 8.19.0, 8.18.0

References