CVE-2025-66568
1 advisory.
RubyGems/ruby-saml CVE-2025-66568: critical
Ruby-saml allows a Libxml2 Canonicalization error to bypass Digest/Signature validation
Action: Upgrade ruby-saml to 1.18.0 or later.
bundle update ruby-samlAffected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.18.0 | - |
Fixed versions
| 1.18.0 |
Sources
- osv: GHSA-x4h9-gwv3-r4m4
- https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-x4h9-gwv3-r4m4
- https://nvd.nist.gov/vuln/detail/CVE-2025-66568
- https://github.com/SAML-Toolkits/ruby-saml/commit/acac9e9cc0b9a507882c614f25d41f8b47be349a
- https://github.com/SAML-Toolkits/ruby-saml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-saml/CVE-2025-66568.yml
CVE-2025-66568 · published · modified · JSON