GHSA-CVP8-5R8G-FHVQ: omniauth-saml RubyGems
CVSS: 9.9v4.0CriticalPublished
Published 11-09-2024Last modified 07-08-2026
Vulnerability summary
GHSA-CVP8-5R8G-FHVQ is a critical (CVSS 9.9) vulnerability in omniauth-saml RubyGems.
CVSS score
9.9/10
010
Critical · v4.0 (OSV · Rubygems), selected by version preferenceEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 8Timeline
- 11-09-2024PublishedVulnerability first disclosed.
- 07-08-2026Last modifiedVulnerability information updated.
Description
omniauth-saml vulnerable to Improper Verification of Cryptographic Signature ruby-saml, the dependent SAML gem of omniauth-saml has a signature wrapping vulnerability in <= v1.12.0 and v1.13.0 to v1.16.0 , see https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2 As a result, omniauth-saml created a [new release](https://github.com/omniauth/omniauth-saml/releases) by upgrading ruby-saml to the patched versions v1.17.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.9Preferred score · OSV · Rubygems (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:NSourcesSingle source
Critical 10.0Preferred score · OSV · Rubygems (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:NSourcesSingle source
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
RubyGems1 product
- omniauth-saml≥ 2.0.0, < 2.1.2 | < 1.10.5 | ≥ 2.2.0, < 2.2.1
1 vendor · 1 product