Important: curl

Issue Overview: When CURLOPTPINNEDPUBLICKEY is configured alongside options that disable standard peer verification CURLOPTSSLVERIFYPEER = 0 and CURLOPTSSLVERIFYHOST = 0, libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the...

OESA-2026-4128 curl security update

cURL is a computer software project providing a library libcurl and command-line tool curl for transferring data using various protocols. Security Fixes: Successfully using libcurl to do a transfer to a specific HTTP origin hostA with Digest authentication and then changing the origin to a...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the CURLOPTPINNEDPUBLICKEY option in combination with disabled peer verification settings. An attacker can establish unauthenticated connections by bypassing the expected public key pinning check when both...

CVE-2026-80230

When "CURLOPTPINNEDPUBLICKEY" is configured alongside options that disable standard peer verification "CURLOPTSSLVERIFYPEER = 0" and "CURLOPTSSLVERIFYHOST = 0", libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning che...

CVE-2026-80230

The libcurl library contains a vulnerability where it fails to enforce public key pinning when CURLOPT_PINNEDPUBLICKEY is used in conjunction with options that disable standard peer verification (CURLOPT_SSL_VERIFYPEER = 0 and CURLOPT_SSL_VERIFYHOST = 0). Under these specific conditions, libcurl ...

CVE-2026-80230 OpenSSL pinning bypass

When CURLOPTPINNEDPUBLICKEY is configured alongside options that disable standard peer verification CURLOPTSSLVERIFYPEER = 0 and CURLOPTSSLVERIFYHOST = 0, libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning check und...

CVE-2026-80230

When CURLOPTPINNEDPUBLICKEY is configured alongside options that disable standard peer verification CURLOPTSSLVERIFYPEER = 0 and CURLOPTSSLVERIFYHOST = 0, libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning check und...

CVE-2026-80230

When CURLOPTPINNEDPUBLICKEY is configured alongside options that disable standard peer verification CURLOPTSSLVERIFYPEER = 0 and CURLOPTSSLVERIFYHOST = 0, libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning check und...

CVE-2026-80230: Improper Certificate Validation

When CURLOPTPINNEDPUBLICKEY is configured alongside options that disable standard peer verification CURLOPTSSLVERIFYPEER = 0 and CURLOPTSSLVERIFYHOST = 0, libcurl fails to enforce public key pinning on connections established without a presented server certificate. Bypassing the pinning check und...