CVE-2026-7009 OCSP stapling bypass with Apple SecTrust
Attackers can bypass OCSP stapling validation in curl on Apple platforms, allowing the use of revoked certificates without detection.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-7009?
CVE-2026-7009 is a medium-severity vulnerability in Haxx Curl, published on 13 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When curl is told to use the Certificate Status Request TLS extension, often referred to as *OCSP stapling*, to verify that the server certificate is valid, it fails to detect OCSP problems and instead wrongly consider the response as fine.
Weakness: CWE-295
Which versions are affected by CVE-2026-7009?
It affects 1 product.
Products include Haxx Curl.
How do I fix CVE-2026-7009?
Apply the vendor's patch.
Is CVE-2026-7009 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7009 exists.
Other vulnerabilities in Haxx Curl
Sources
Also known as ALPINE-CVE-2026-7009, BELL-CVE-2026-7009, CURL-CVE-2026-7009, ECHO-ef10-c0b8-b496, GHSA-v355-7mqg-qj9c, JLSEC-2026-1209 and 2 more.