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CVE details

CVE-2026-63183

OmniAuth is a flexible authentication system utilizing Rack middleware. Prior to 2.2.0, OmniAuth derives provider callback URLs from request-controlled host information when neither a fixed full_host nor framework-level incoming host validation is configured. A remote unauthenticated client can supply a forged Host header, creating a host header injection risk in applications whose web framework does not verify incoming host headers. Applications using appropriately configured Rails host authorization or a fixed full_host are not affected by this path. This issue is fixed in version 2.2.0.

Score
6.9 medium
Published
2026-11-04
Links
NVD · cve.org · Report wrong data

Matched ports (3)

PortPackageVersionStatusMaintainer
security/rubygem-omniauthrubygem-omniauth2.1.4unaddressedsunpoet@FreeBSD.org
security/rubygem-omniauth-glrubygem-omniauth-gl2.1.4_2unaddressedmfechner@FreeBSD.org
security/rubygem-omniauth1rubygem-omniauth11.9.2_1unaddressedsunpoet@FreeBSD.org

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Ranges per package from the CVE rows that match this port, in pkg notation with the port's epoch and revision, every bound checked with pkg; one range per epoch the port actually had. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>rubygem-omniauth -- FIXME</topic>
    <affects>
      <package>
	<name>rubygem-omniauth</name>
	<name>rubygem-omniauth-gl</name>
	<range><lt>2.2.0</lt></range>
      </package>
      <package>
	<name>rubygem-omniauth1</name>
	<!-- no fixed release for the 1 line in the CVE record (fixed in 2.2.0) -->
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-63183: OmniAuth is a flexible authentication system utilizing
	  Rack middleware. Prior to 2.2.0, OmniAuth derives provider callback
	  URLs from request-controlled host information when neither a fixed
	  full_host nor framework-level incoming host validation is
	  configured. A remote unauthenticated client can supply a forged
	  Host header, creating a host header injection risk in applications
	  whose web framework does not verify incoming host headers.
	  Applications using appropriately configured Rails host
	  authorization or a fixed full_host are not affected by this path.
	  This issue is fixed in version 2.2.0.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-63183</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-63183</url>
    </references>
    <dates>
      <discovery>2026-11-04</discovery>
      <entry>2026-11-05</entry>
    </dates>
  </vuln>