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      <title>CVE-2026-4525 — Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-4525</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; HashiCorp Vault, HashiCorp Vault Enterprise, Red Hat OpenShift Container Platform 4, Red Hat Openshift Data Foundation 4&lt;/p&gt;
&lt;p&gt;If a Vault auth mount is configured to pass through the &amp;#34;Authorization&amp;#34; header, and the &amp;#34;Authorization&amp;#34; header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; HashiCorp Vault, HashiCorp Vault Enterprise, Red Hat OpenShift Container Platform 4, Red Hat Openshift Data Foundation 4&lt;/p&gt;
&lt;p&gt;If a Vault auth mount is configured to pass through the &amp;#34;Authorization&amp;#34; header, and the &amp;#34;Authorization&amp;#34; header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.&lt;/p&gt;</content:encoded>
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