Improper Certificate Validation in cURL - CVE-2026-7009
Published: April 29, 2026
Vulnerability identifier: #VU128458
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-7009
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: curl.haxx.se
Affected software:
cURL
cURL
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate validation within OCSP stapling with Apple SecTrust. A remote attacker can cause invalid certificates to be accepted as trusted.
How to mitigate CVE-2026-7009
Install updates from vendor's website.