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    <lastBuildDate>Wed, 07 Oct 2026 16:34:29 +0000</lastBuildDate>
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      <title>CVE-2026-81523 — Cross-tenant database retargeting via dot/NUL injection in namespace strings in libmongocrypt</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-81523</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; MongoDB libmongocrypt&lt;/p&gt;
&lt;p&gt;A missing input-validation issue in MongoDB libmongocrypt&amp;#39;s automatic-encryption context setup allows a caller-supplied database identifier to be accepted without sanitization. The resulting impact is limited to incorrect schema selection, which may lead to limited disclosure or modification of information handled by the application.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; MongoDB libmongocrypt&lt;/p&gt;
&lt;p&gt;A missing input-validation issue in MongoDB libmongocrypt&amp;#39;s automatic-encryption context setup allows a caller-supplied database identifier to be accepted without sanitization. The resulting impact is limited to incorrect schema selection, which may lead to limited disclosure or modification of information handled by the application.&lt;/p&gt;</content:encoded>
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