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Vulnerable Software

Vulnerability Details CVE-2025-66567

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 differently, generating entirely different document structures from the same input. This allows an attacker to execute a Signature Wrapping attack. This issue is fixed in version 1.18.0.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 22.6%

CVSS Severity

CVSS v3 Score 9.1

References

Products affected by CVE-2025-66567

Onelogin » Ruby-Saml » Version: 0.2.0

cpe:2.3:a:onelogin:ruby-saml:0.2.0
Onelogin » Ruby-Saml » Version: 0.2.1

cpe:2.3:a:onelogin:ruby-saml:0.2.1
Onelogin » Ruby-Saml » Version: 0.2.2

cpe:2.3:a:onelogin:ruby-saml:0.2.2
Onelogin » Ruby-Saml » Version: 0.2.3

cpe:2.3:a:onelogin:ruby-saml:0.2.3
Onelogin » Ruby-Saml » Version: 0.3.0

cpe:2.3:a:onelogin:ruby-saml:0.3.0
Onelogin » Ruby-Saml » Version: 0.3.1

cpe:2.3:a:onelogin:ruby-saml:0.3.1
Onelogin » Ruby-Saml » Version: 0.3.2

cpe:2.3:a:onelogin:ruby-saml:0.3.2
Onelogin » Ruby-Saml » Version: 0.3.3

cpe:2.3:a:onelogin:ruby-saml:0.3.3
Onelogin » Ruby-Saml » Version: 0.3.4

cpe:2.3:a:onelogin:ruby-saml:0.3.4
Onelogin » Ruby-Saml » Version: 0.4.0

cpe:2.3:a:onelogin:ruby-saml:0.4.0
Onelogin » Ruby-Saml » Version: 0.4.1

cpe:2.3:a:onelogin:ruby-saml:0.4.1
Onelogin » Ruby-Saml » Version: 0.4.2

cpe:2.3:a:onelogin:ruby-saml:0.4.2
Onelogin » Ruby-Saml » Version: 0.4.3

cpe:2.3:a:onelogin:ruby-saml:0.4.3
Onelogin » Ruby-Saml » Version: 0.4.4

cpe:2.3:a:onelogin:ruby-saml:0.4.4
Onelogin » Ruby-Saml » Version: 0.4.5

cpe:2.3:a:onelogin:ruby-saml:0.4.5
Onelogin » Ruby-Saml » Version: 0.4.6

cpe:2.3:a:onelogin:ruby-saml:0.4.6
Onelogin » Ruby-Saml » Version: 0.4.7

cpe:2.3:a:onelogin:ruby-saml:0.4.7
Onelogin » Ruby-Saml » Version: 0.5.0

cpe:2.3:a:onelogin:ruby-saml:0.5.0
Onelogin » Ruby-Saml » Version: 0.5.1

cpe:2.3:a:onelogin:ruby-saml:0.5.1
Onelogin » Ruby-Saml » Version: 0.5.2

cpe:2.3:a:onelogin:ruby-saml:0.5.2
Onelogin » Ruby-Saml » Version: 0.5.3

cpe:2.3:a:onelogin:ruby-saml:0.5.3
Onelogin » Ruby-Saml » Version: 0.6.0

cpe:2.3:a:onelogin:ruby-saml:0.6.0
Onelogin » Ruby-Saml » Version: 0.7.0

cpe:2.3:a:onelogin:ruby-saml:0.7.0
Onelogin » Ruby-Saml » Version: 0.7.1

cpe:2.3:a:onelogin:ruby-saml:0.7.1
Onelogin » Ruby-Saml » Version: 0.7.3

cpe:2.3:a:onelogin:ruby-saml:0.7.3
Onelogin » Ruby-Saml » Version: 0.8.0

cpe:2.3:a:onelogin:ruby-saml:0.8.0
Onelogin » Ruby-Saml » Version: 0.8.1

cpe:2.3:a:onelogin:ruby-saml:0.8.1
Onelogin » Ruby-Saml » Version: 0.8.2

cpe:2.3:a:onelogin:ruby-saml:0.8.2
Onelogin » Ruby-Saml » Version: 0.8.3

cpe:2.3:a:onelogin:ruby-saml:0.8.3
Onelogin » Ruby-Saml » Version: 0.9

cpe:2.3:a:onelogin:ruby-saml:0.9
Onelogin » Ruby-Saml » Version: 0.9.1

cpe:2.3:a:onelogin:ruby-saml:0.9.1
Onelogin » Ruby-Saml » Version: 0.9.2

cpe:2.3:a:onelogin:ruby-saml:0.9.2
Onelogin » Ruby-Saml » Version: 0.9.3

cpe:2.3:a:onelogin:ruby-saml:0.9.3
Onelogin » Ruby-Saml » Version: 1.0.0

cpe:2.3:a:onelogin:ruby-saml:1.0.0
Onelogin » Ruby-Saml » Version: 1.1.0

cpe:2.3:a:onelogin:ruby-saml:1.1.0
Onelogin » Ruby-Saml » Version: 1.1.1

cpe:2.3:a:onelogin:ruby-saml:1.1.1
Onelogin » Ruby-Saml » Version: 1.1.2

cpe:2.3:a:onelogin:ruby-saml:1.1.2
Onelogin » Ruby-Saml » Version: 1.10.0

cpe:2.3:a:onelogin:ruby-saml:1.10.0
Onelogin » Ruby-Saml » Version: 1.10.1

cpe:2.3:a:onelogin:ruby-saml:1.10.1
Onelogin » Ruby-Saml » Version: 1.10.2

cpe:2.3:a:onelogin:ruby-saml:1.10.2
Onelogin » Ruby-Saml » Version: 1.11.0

cpe:2.3:a:onelogin:ruby-saml:1.11.0
Onelogin » Ruby-Saml » Version: 1.12.0

cpe:2.3:a:onelogin:ruby-saml:1.12.0
Onelogin » Ruby-Saml » Version: 1.12.1

cpe:2.3:a:onelogin:ruby-saml:1.12.1
Onelogin » Ruby-Saml » Version: 1.12.2

cpe:2.3:a:onelogin:ruby-saml:1.12.2
Onelogin » Ruby-Saml » Version: 1.12.3

cpe:2.3:a:onelogin:ruby-saml:1.12.3
Onelogin » Ruby-Saml » Version: 1.12.4

cpe:2.3:a:onelogin:ruby-saml:1.12.4
Onelogin » Ruby-Saml » Version: 1.13.0

cpe:2.3:a:onelogin:ruby-saml:1.13.0
Onelogin » Ruby-Saml » Version: 1.14.0

cpe:2.3:a:onelogin:ruby-saml:1.14.0
Onelogin » Ruby-Saml » Version: 1.15.0

cpe:2.3:a:onelogin:ruby-saml:1.15.0
Onelogin » Ruby-Saml » Version: 1.16.0

cpe:2.3:a:onelogin:ruby-saml:1.16.0
Onelogin » Ruby-Saml » Version: 1.17.0

cpe:2.3:a:onelogin:ruby-saml:1.17.0
Onelogin » Ruby-Saml » Version: 1.2.0

cpe:2.3:a:onelogin:ruby-saml:1.2.0
Onelogin » Ruby-Saml » Version: 1.3.0

cpe:2.3:a:onelogin:ruby-saml:1.3.0
Onelogin » Ruby-Saml » Version: 1.3.1

cpe:2.3:a:onelogin:ruby-saml:1.3.1
Onelogin » Ruby-Saml » Version: 1.4.0

cpe:2.3:a:onelogin:ruby-saml:1.4.0
Onelogin » Ruby-Saml » Version: 1.4.1

cpe:2.3:a:onelogin:ruby-saml:1.4.1
Onelogin » Ruby-Saml » Version: 1.4.2

cpe:2.3:a:onelogin:ruby-saml:1.4.2
Onelogin » Ruby-Saml » Version: 1.4.3

cpe:2.3:a:onelogin:ruby-saml:1.4.3
Onelogin » Ruby-Saml » Version: 1.5.0

cpe:2.3:a:onelogin:ruby-saml:1.5.0
Onelogin » Ruby-Saml » Version: 1.6.0

cpe:2.3:a:onelogin:ruby-saml:1.6.0
Onelogin » Ruby-Saml » Version: 1.6.1

cpe:2.3:a:onelogin:ruby-saml:1.6.1
Onelogin » Ruby-Saml » Version: 1.6.2

cpe:2.3:a:onelogin:ruby-saml:1.6.2
Onelogin » Ruby-Saml » Version: 1.7.0

cpe:2.3:a:onelogin:ruby-saml:1.7.0
Onelogin » Ruby-Saml » Version: 1.7.1

cpe:2.3:a:onelogin:ruby-saml:1.7.1
Onelogin » Ruby-Saml » Version: 1.7.2

cpe:2.3:a:onelogin:ruby-saml:1.7.2
Onelogin » Ruby-Saml » Version: 1.8.0

cpe:2.3:a:onelogin:ruby-saml:1.8.0
Onelogin » Ruby-Saml » Version: 1.9.0

cpe:2.3:a:onelogin:ruby-saml:1.9.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-66567

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