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Critical 9.3
ruby-saml Libxml2 Canonicalization errors can bypass Digest/Signature validation
The ruby-saml library implements the client side of an SAML authorization. Versions up to and including 1.12.4, are vulnerable to authentication bypass through the libxml2 canonicalization process used by Nokogiri for document transformation, which allows an …
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Critical 9.3
ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)
The ruby-saml library is for implementing the client side of a SAML authorization. ruby-saml versions up to and including 1.12.4 contain an authentication bypass vulnerability due to an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML different…
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Critical 9.3CVE-2025-25292 EPSS 65%
Ruby SAML vulnerable to SAML authentication bypass due to namespace handling (parser differential)
ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby. An authentication bypass vulnerability was found in ruby-saml prior to versions 1.12.4 and 1.18.0 due to a parser differential. ReXML and Nokogiri parse XML differentl…
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Critical 9.3CVE-2025-25291 EPSS 21%
ruby-saml vulnerable to SAML authentication bypass due to DOCTYPE handling (parser differential)
ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby. An authentication bypass vulnerability was found in ruby-saml prior to versions 1.12.4 and 1.18.0 due to a parser differential. ReXML and Nokogiri parse XML differentl…
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Critical 10.0
The Ruby SAML library vulnerable to a SAML authentication bypass via Incorrect XPath selector
The Ruby SAML library is for implementing the client side of a SAML authorization. Ruby-SAML in <= 12.2 and 1.13.0 <= 1.16.0 does not properly verify the signature of the SAML Response. An unauthenticated attacker with access to any signed saml document (by t…