Security Advisory
CVE-2026-8924
9.1
CRITICAL
Vulnerability Description
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 to unrelated third-party domains.
Published Date
July 3, 2026
Official Source
NIST NVD Advisory