8 results · Feed
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Medium 6.9
Ruby SAML DOS vulnerability with large SAML response
The Ruby SAML library is for implementing the client side of a SAML authorization. In versions 1.18.0 and below, a denial-of-service vulnerability exists in ruby-saml even with the message_max_bytesize setting configured. The vulnerability occurs because the …
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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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High 7.7
ruby-saml vulnerable to Remote Denial of Service (DoS) with compressed SAML responses
ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby. Prior to versions 1.12.4 and 1.18.0, ruby-saml is susceptible to remote Denial of Service (DoS) with compressed SAML responses. ruby-saml uses zlib to decompress SAML …
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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…
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Critical 9.8
ruby-saml vulnerable to XPath injection
xml_security.rb in the ruby-saml gem before 1.0.0 for Ruby allows XPath injection and code execution because prepared statements are not used.
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High 7.7
Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal
OneLogin Ruby-SAML 1.6.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attac…
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High 7.5
Ruby-saml allows attackers to perform XML signature wrapping attacks
Ruby-saml before 1.3.0 allows attackers to perform XML signature wrapping attacks via unspecified vectors.