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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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      <title>CVE-2026-80230 — OpenSSL pinning bypass</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-80230</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; curl&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; curl&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;</content:encoded>
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