CVE-2025-66567
1 advisory.
RubyGems/ruby-saml CVE-2025-66567: critical, EPSS 0.39%
Ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)
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-9v8j-x534-2fx3
- https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-9v8j-x534-2fx3
- https://nvd.nist.gov/vuln/detail/CVE-2025-66567
- https://github.com/SAML-Toolkits/ruby-saml/commit/e9c1cdbd0f9afa467b585de279db0cbd0fb8ae97
- https://github.com/SAML-Toolkits/ruby-saml
- https://github.com/advisories/GHSA-754f-8gm6-c4r2
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-saml/CVE-2025-66567.yml
CVE-2025-66567 · published · modified · JSON