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      <title>CVE-2026-23989 — REVA Public Link Exploit</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-23989</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; opencloud-eu reva&lt;/p&gt;
&lt;p&gt;REVA is an interoperability platform. Prior to 2.42.3 and 2.40.3, a bug in the GRPC authorization middleware of the &amp;#34;Reva&amp;#34; component of OpenCloud allows a malicious user to bypass the scope verification of a public link. By exploiting this via the the &amp;#34;archiver&amp;#34; service this can be leveraged to create an archive (zip or tar-file) containing all resources that this creator of the public link has access to. This vulnerability is fixed in 2.42.3 and 2.40.3.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; opencloud-eu reva&lt;/p&gt;
&lt;p&gt;REVA is an interoperability platform. Prior to 2.42.3 and 2.40.3, a bug in the GRPC authorization middleware of the &amp;#34;Reva&amp;#34; component of OpenCloud allows a malicious user to bypass the scope verification of a public link. By exploiting this via the the &amp;#34;archiver&amp;#34; service this can be leveraged to create an archive (zip or tar-file) containing all resources that this creator of the public link has access to. This vulnerability is fixed in 2.42.3 and 2.40.3.&lt;/p&gt;</content:encoded>
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