Servers and applications
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 to unrelated third-party domains.
- Severity
- Critical 9.1
- Published
- 3 Jul 2026
- Last changed
- 15 Sept 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 8.21.0
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
curlServers and applications · cpe:a:haxx:curl |
|