Security Advisory

CVE-2026-80230

CVSS N/A
UNKNOWN

Vulnerability Description

When `CURLOPT_PINNEDPUBLICKEY` is configured alongside options that disable standard peer verification (`CURLOPT_SSL_VERIFYPEER = 0` and `CURLOPT_SSL_VERIFYHOST = 0`), libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning check under these disabled-verification conditions allows unauthenticated connections to succeed when they should be rejected.
Published Date 2026-09-06T18:17:22.327
Data Feed NIST National Vulnerability Database