Unrated severityNVD Advisory· Published Sep 6, 2026
CVE-2026-80230
CVE-2026-80230
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.
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Affected products
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Vulnerability mechanics
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