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Product · SAML-Toolkits

ruby-saml

7 known vulnerabilities.

ruby-saml at a glance

Last 12 months
2
Critical · all time
5
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
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7 results · Feed

  • 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 …

  • 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…

  • 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 …

  • Critical 9.3
    CVE-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…

  • Critical 9.3
    CVE-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…

  • 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 …

  • Critical 10.0
    CVE-2024-45409 Public exploit EPSS 12%

    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…