Security Digest · Critical advisory (no CVE assigned)
GHSA-hw46-3hmr-x9xv: omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue
Summary There are 2 new Critical Signature Wrapping Vulnerabilities (CVE-2025-25292, CVE-2025-25291) and a potential DDOS Moderated Vulneratiblity (CVE-2025-25293) affecting ruby-saml, a dependency of omniauth-saml.
GitHub-reviewed · critical
Should you act?
- Only if you depend on one of the packages below, directly or transitively, in a vulnerable version. Check your lockfile with
bundle audit check --update. - No CVE has been assigned, so it will not appear in CVE-based scanners that ignore GitHub advisories.
npm audit,pip-auditand Dependabot do read GitHub advisories.
Affected packages
| Ecosystem | Package | Vulnerable | First fixed |
|---|---|---|---|
| RubyGems | omniauth-saml | >= 2.2.0, < 2.2.3 | 2.2.3 |
| RubyGems | omniauth-saml | >= 2.0.0, < 2.1.3 | 2.1.3 |
| RubyGems | omniauth-saml | < 1.10.6 | 1.10.6 |
Details
Summary There are 2 new Critical Signature Wrapping Vulnerabilities (CVE-2025-25292, CVE-2025-25291) and a potential DDOS Moderated Vulneratiblity (CVE-2025-25293) affecting ruby-saml, a dependency of omniauth-saml.
The fix will be applied to ruby-saml and released 12 March 2025, under version 1.18.0.
Please upgrade the ruby-saml requirement to v1.18.0.
Impact Signature Wrapping Vulnerabilities allows an attacker to impersonate a user.
Sources and references
- GitHub Advisory GHSA-hw46-3hmr-x9xv github.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
- rubygems.org rubygems.org
- github.com github.com