Description
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.
References (3)
Scores
CVSS v3
9.1
EPSS
0.0005
EPSS Percentile
15.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-347
Status
published
Products (2)
onelogin/ruby-saml
< 1.18.0
rubygems/ruby-saml
0 - 1.18.0RubyGems
Published
Dec 09, 2025
Tracked Since
Feb 18, 2026