ruby-saml vulnerabilities and fixes

Recent CVEs affecting ruby-saml, with upgrade or downgrade steps. 6 tracked.

Also searched as: ruby saml.

ruby-saml has 6 tracked vulnerabilities, 5 critical. A fixed release or vendor patch exists for 6. Most recent: 2025-12-09. Highest priority: CVE-2025-25292 (score 72/100).

• CVE-2025-66567 CRITICAL 9.1 UPGRADE The ruby-saml library is for implementing the client side of a SAML authorization
• CVE-2025-66568 CRITICAL 9.1 UPGRADE The ruby-saml library implements the client side of an SAML authorization
• CVE-2025-25293 HIGH 7.5 UPGRADE UPGRADE ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby
• CVE-2025-25292 CRITICAL 9.8 UPGRADE UPGRADE ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby
• CVE-2025-25291 CRITICAL 9.8 UPGRADE UPGRADE ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby
• CVE-2024-45409 CRITICAL 10.0 UPGRADE UPGRADE The Ruby SAML library is for implementing the client side of a SAML authorization

FAQ

How do I fix ruby-saml vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is ruby-saml being exploited right now?

None of the tracked ruby-saml CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which ruby-saml CVE should I patch first?

CVE-2025-25292 currently ranks highest (72/100): ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby.

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