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      <title>GHSA-jwvj-g8pc-cx45 — OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key c…</title>
      <link>https://db.gcve.eu/vuln/ghsa-jwvj-g8pc-cx45</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Go: github.com/openfga/openfga&lt;/p&gt;
&lt;p&gt;### Description&lt;/p&gt;
&lt;p&gt;In OpenFGA, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement.&lt;/p&gt;
&lt;p&gt;### Am I affected?&lt;/p&gt;
&lt;p&gt;You are affected if you meet the following preconditions:
1. You execute **BatchCheck** operations which rely on context. 
2. Multiple checks are sent within a single BatchCheck operation for the same user/object/relation combination, each containing context.
3. The contexts between those checks differ in a specific way&lt;/p&gt;
&lt;p&gt;### Fix
Upgrade to OpenFGA v1.14.0&lt;/p&gt;
&lt;p&gt;### Acknowledgement
OpenFGA would like to thank @bugbunny-research for the discovery and detailed report.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Go: github.com/openfga/openfga&lt;/p&gt;
&lt;p&gt;### Description&lt;/p&gt;
&lt;p&gt;In OpenFGA, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement.&lt;/p&gt;
&lt;p&gt;### Am I affected?&lt;/p&gt;
&lt;p&gt;You are affected if you meet the following preconditions:
1. You execute **BatchCheck** operations which rely on context. 
2. Multiple checks are sent within a single BatchCheck operation for the same user/object/relation combination, each containing context.
3. The contexts between those checks differ in a specific way&lt;/p&gt;
&lt;p&gt;### Fix
Upgrade to OpenFGA v1.14.0&lt;/p&gt;
&lt;p&gt;### Acknowledgement
OpenFGA would like to thank @bugbunny-research for the discovery and detailed report.&lt;/p&gt;</content:encoded>
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