---
title: "GHSA-hw46-3hmr-x9xv: omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue"
url: https://erroneo.us/security/ghsa/GHSA-hw46-3hmr-x9xv/
description: "GHSA-hw46-3hmr-x9xv (critical, RubyGems): omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue. Summary There are 2 new…"
type: advisory
section: "Security Digest"
date_published: 2025-03-12
date_modified: 2025-05-22
publisher: erroneo.us
author: erroneo.us Security Desk
ghsa: "GHSA-hw46-3hmr-x9xv"
license: All rights reserved. Quote with attribution and a link.
---

# GHSA-hw46-3hmr-x9xv: omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue

## Affected packages

- RubyGems `omniauth-saml` >= 2.2.0, < 2.2.3 → fixed: 2.2.3
- RubyGems `omniauth-saml` >= 2.0.0, < 2.1.3 → fixed: 2.1.3
- RubyGems `omniauth-saml` < 1.10.6 → fixed: 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

- [GitHub Advisory GHSA-hw46-3hmr-x9xv](https://github.com/advisories/GHSA-hw46-3hmr-x9xv)
- [github.com](https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-hw46-3hmr-x9xv)
- [github.com](https://github.com/omniauth/omniauth-saml/commit/0d5eaa0d808acb2ac96deadf5c750ac1cf2d92b5)
- [github.com](https://github.com/omniauth/omniauth-saml/commit/2c8a482801808bbcb0188214bde74680b8018a35)
- [github.com](https://github.com/omniauth/omniauth-saml/commit/7a348b49083462a566af41a5ae85e9f3af15b985)
- [github.com](https://github.com/omniauth/omniauth-saml/blob/master/omniauth-saml.gemspec#L16)
- [rubygems.org](https://rubygems.org/gems/omniauth-saml/versions/2.2.3)
- [github.com](https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/GHSA-hw46-3hmr-x9xv.yml)

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Source page: https://erroneo.us/security/ghsa/GHSA-hw46-3hmr-x9xv/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt