0.0
NA
CVE-2026-8924
trailing dot domain super cookie
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.

INFO

Published Date :

July 3, 2026, 6:15 a.m.

Last Modified :

July 3, 2026, 6:15 a.m.

Remotely Exploit :

No

Source :

curl
Affected Products

The following products are affected by CVE-2026-8924 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update curl to a version that properly handles cookie parsing and Public Suffix List checks.
  • Update curl to the latest version.
  • Verify cookie handling logic and PSL checks.
  • Monitor network traffic for unusual cookie behavior.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8924 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.