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    <lastBuildDate>Thu, 08 Oct 2026 15:58:11 +0000</lastBuildDate>
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      <title>CVE-2026-103059 — Gitea built-in SSH server authentication bypass through key case folding</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-103059</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Gitea&lt;/p&gt;
&lt;p&gt;When Gitea&amp;#39;s built-in SSH server is enabled (`START_SSH_SERVER = true`), the presented public key was looked up with an SQL `LIKE` comparison of its encoded content, which is case-insensitive on some databases, including the default SQLite. An attacker who can construct a case variant of another user&amp;#39;s registered RSA public key for which they can derive the private key could have that key matched to the victim&amp;#39;s account and authenticate over SSH as that user. Keys are now looked up by fingerprint.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Gitea&lt;/p&gt;
&lt;p&gt;When Gitea&amp;#39;s built-in SSH server is enabled (`START_SSH_SERVER = true`), the presented public key was looked up with an SQL `LIKE` comparison of its encoded content, which is case-insensitive on some databases, including the default SQLite. An attacker who can construct a case variant of another user&amp;#39;s registered RSA public key for which they can derive the private key could have that key matched to the victim&amp;#39;s account and authenticate over SSH as that user. Keys are now looked up by fingerprint.&lt;/p&gt;</content:encoded>
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