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      <title>fkie_cve-2026-96770</title>
      <link>https://db.gcve.eu/vuln/fkie_cve-2026-96770</link>
      <description>&lt;p&gt;All published s2s-proxy versions through 0.2.2 are affected. In versions 0.1.16 through 0.2.2, TLS server listeners use Go&amp;#39;s RequireAnyClientCert mode when skipCAVerification is false. This mode checks that the client holds the certificate&amp;#39;s private key but does not verify the certificate against the configured CA. An attacker can therefore use a self-signed certificate and key to establish a TLS and yamux connection, then invoke RPCs allowed by the proxy&amp;#39;s configuration and Temporal credentials. No certificate or private key trusted by the deployment, and no Temporal credential, is required.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;All published s2s-proxy versions through 0.2.2 are affected. In versions 0.1.16 through 0.2.2, TLS server listeners use Go&amp;#39;s RequireAnyClientCert mode when skipCAVerification is false. This mode checks that the client holds the certificate&amp;#39;s private key but does not verify the certificate against the configured CA. An attacker can therefore use a self-signed certificate and key to establish a TLS and yamux connection, then invoke RPCs allowed by the proxy&amp;#39;s configuration and Temporal credentials. No certificate or private key trusted by the deployment, and no Temporal credential, is required.&lt;/p&gt;</content:encoded>
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      <title>GHSA-fhc4-rg5x-86fx</title>
      <link>https://db.gcve.eu/vuln/ghsa-fhc4-rg5x-86fx</link>
      <description>&lt;p&gt;All published s2s-proxy versions through 0.2.2 are affected. In versions 0.1.16 through 0.2.2, TLS server listeners use Go&amp;#39;s RequireAnyClientCert mode when skipCAVerification is false. This mode checks that the client holds the certificate&amp;#39;s private key but does not verify the certificate against the configured CA. An attacker can therefore use a self-signed certificate and key to establish a TLS and yamux connection, then invoke RPCs allowed by the proxy&amp;#39;s configuration and Temporal credentials. No certificate or private key trusted by the deployment, and no Temporal credential, is required.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;All published s2s-proxy versions through 0.2.2 are affected. In versions 0.1.16 through 0.2.2, TLS server listeners use Go&amp;#39;s RequireAnyClientCert mode when skipCAVerification is false. This mode checks that the client holds the certificate&amp;#39;s private key but does not verify the certificate against the configured CA. An attacker can therefore use a self-signed certificate and key to establish a TLS and yamux connection, then invoke RPCs allowed by the proxy&amp;#39;s configuration and Temporal credentials. No certificate or private key trusted by the deployment, and no Temporal credential, is required.&lt;/p&gt;</content:encoded>
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