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      <title>CVE-2026-50200 — Steeltoe's env sanitizer misses connection strings — leaks embedded DB passwords</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-50200</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; SteeltoeOSS Steeltoe.Management.Endpoint, SteeltoeOSS Steeltoe.Management.EndpointCore&lt;/p&gt;
&lt;p&gt;Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, the `Sanitizer` component in the Environment actuator redacts configuration values by matching the configuration key name against a suffix list. The default list (`password`, `secret`, `key`, `token`, `.*credentials.*`, `vcap_services`) does not cover the standard .NET pattern `ConnectionStrings:&amp;lt;name&amp;gt;` or Steeltoe Connectors&amp;#39; `Steeltoe:Client:&amp;lt;type&amp;gt;:Default:ConnectionString`. There is no value-based scrubbing, so full connection string values including embedded `Password=` and `user:pass@host` segments are returned verbatim in `/actuator/env` responses. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible: On the standard path, remove `env` from the actuator exposure list; add `.*connectionstring.*` to `KeysToSanitize` as a defense-in-depth measure for both paths; and/or require authorization on actuator endpoints.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; SteeltoeOSS Steeltoe.Management.Endpoint, SteeltoeOSS Steeltoe.Management.EndpointCore&lt;/p&gt;
&lt;p&gt;Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, the `Sanitizer` component in the Environment actuator redacts configuration values by matching the configuration key name against a suffix list. The default list (`password`, `secret`, `key`, `token`, `.*credentials.*`, `vcap_services`) does not cover the standard .NET pattern `ConnectionStrings:&amp;lt;name&amp;gt;` or Steeltoe Connectors&amp;#39; `Steeltoe:Client:&amp;lt;type&amp;gt;:Default:ConnectionString`. There is no value-based scrubbing, so full connection string values including embedded `Password=` and `user:pass@host` segments are returned verbatim in `/actuator/env` responses. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible: On the standard path, remove `env` from the actuator exposure list; add `.*connectionstring.*` to `KeysToSanitize` as a defense-in-depth measure for both paths; and/or require authorization on actuator endpoints.&lt;/p&gt;</content:encoded>
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