GHSA-4VC4-M8QH-G8JM Ruby SAML allows a SAML authentication bypass due to DOCTYPE handling (parser differential)

Summary An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker to be able to execute a Signature Wrapping...

Ruby SAML allows a SAML authentication bypass due to DOCTYPE handling (parser differential)

Summary An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker to be able to execute a Signature Wrapping...

CVE-2025-25291 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 differently; the parsers can generate entirely...

CVE-2025-25291 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 differently; the parsers can generate entirely...

CVE-2025-25291 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 differently; the parsers can generate entirely...

EUVD-2025-6415

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 differently; the parsers can generate entirely...

CVE-2025-25291

ruby-saml vulnerabilities CVE-2025-25291/25292/25293 relate to a parser differential between ReXML and Nokogiri that enables a Signature Wrapping authentication bypass and related DoS when handling SAML inputs. Affected versions prior to 1.12.4 and 1.18.0 are vulnerable; fixes are shipped in 1.12...

CVE-2025-25291

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 differently; the parsers can generate entirely...

omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue

Summary There are 2 new Critical Signature Wrapping Vulnerabilities CVE-2025-25292, CVE-2025-25291 and a potential DDOS Moderated Vulneratiblity CVE-2025-25293 affecting ruby-saml, a dependency of omniauth-saml. The fix will be applied to ruby-saml and released 12 March 2025, under version 1.18.0...

GHSA-HW46-3HMR-X9XV omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue

Summary There are 2 new Critical Signature Wrapping Vulnerabilities CVE-2025-25292, CVE-2025-25291 and a potential DDOS Moderated Vulneratiblity CVE-2025-25293 affecting ruby-saml, a dependency of omniauth-saml. The fix will be applied to ruby-saml and released 12 March 2025, under version 1.18.0...

Ruby SAML allows a SAML authentication bypass due to DOCTYPE handling (parser differential)

Summary An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker to be able to execute a Signature Wrapping...

PT-2025-11127 · Ruby-Saml +3 · Ruby-Saml +3

Name of the Vulnerable Software and Affected Versions: ruby-saml versions prior to 1.12.4 and 1.18.0 Description: An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently; the parsers can generate entirely different...

Ruby SAML allows a SAML authentication bypass due to namespace handling (parser differential)

Summary An authentication bypass vulnerability was found in ruby-saml due to a parser differential. ReXML and Nokogiri parse XML differently, the parsers can generate entirely different document structures from the same XML input. That allows an attacker to be able to execute a Signature Wrapping...

CVE-2024-6202

HaloITSM versions up to 2.146.1 are affected by a SAML XML Signature Wrapping XSW vulnerability. When having a SAML integration configured, anonymous actors could impersonate arbitrary HaloITSM users by just knowing their email address. HaloITSM versions past 2.146.1 and patches starting from...

Terraform Enterprise’s Single Sign-On And Ruby SAML’s CVE-2024-45409

Summary Terraform Enterprise’s single sign-on functionality is implemented using the Ruby SAML library, which disclosed an authentication bypass vulnerability exploitable by an XML signature wrapping attack. This vulnerability, CVE-2024-45409, was addressed by an upgrade of the Ruby SAML version...

CVE-2024-6800

An XML signature wrapping vulnerability was present in GitHub Enterprise Server GHES when using SAML authentication with specific identity providers utilizing publicly exposed signed federation metadata XML. This vulnerability allowed an attacker with direct network access to GitHub Enterprise...

CVE-2024-6800

An XML signature wrapping vulnerability was present in GitHub Enterprise Server GHES when using SAML authentication with specific identity providers utilizing publicly exposed signed federation metadata XML. This vulnerability allowed an attacker with direct network access to GitHub Enterprise...

PT-2024-6121 · Github · Github Enterprise Server

Name of the Vulnerable Software and Affected Versions: GitHub Enterprise Server versions prior to 3.14 GitHub Enterprise Server versions 3.13.3, 3.12.8, 3.11.14, and 3.10.16 are not affected, all versions prior to these are vulnerable. Description: The issue is related to an XML signature wrappin...

CVE-2024-6202

HaloITSM versions up to 2.146.1 are affected by a SAML XML Signature Wrapping XSW vulnerability. When having a SAML integration configured, anonymous actors could impersonate arbitrary HaloITSM users by just knowing their email address. HaloITSM versions past 2.146.1 and patches starting from...

CVE-2024-6202 HaloITSM - SAML XML Signature Wrapping (XSW)

HaloITSM versions up to 2.146.1 are affected by a SAML XML Signature Wrapping XSW vulnerability. When having a SAML integration configured, anonymous actors could impersonate arbitrary HaloITSM users by just knowing their email address. HaloITSM versions past 2.146.1 and patches starting from...