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    <lastBuildDate>Wed, 30 Sep 2026 11:31:25 +0000</lastBuildDate>
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      <title>CVE-2026-93955 — grimmory-tools grimmory Download Endpoint KoboController.java streamFileToResponse authorization</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-93955</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; grimmory-tools grimmory&lt;/p&gt;
&lt;p&gt;A vulnerability was detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected by this vulnerability is the function streamFileToResponse of the file backend/src/main/java/org/booklore/controller/KoboController.java of the component Download Endpoint. Performing a manipulation of the argument bookId results in authorization bypass. The attack may be initiated remotely. The exploit is now public and may be used. Issue #2431 is closed as completed, but its only comment states that the issue “has already been reported elsewhere.” No fixing commit or pull request is identified there.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; grimmory-tools grimmory&lt;/p&gt;
&lt;p&gt;A vulnerability was detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected by this vulnerability is the function streamFileToResponse of the file backend/src/main/java/org/booklore/controller/KoboController.java of the component Download Endpoint. Performing a manipulation of the argument bookId results in authorization bypass. The attack may be initiated remotely. The exploit is now public and may be used. Issue #2431 is closed as completed, but its only comment states that the issue “has already been reported elsewhere.” No fixing commit or pull request is identified there.&lt;/p&gt;</content:encoded>
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