# Onelogin Ruby-Saml vulnerabilities

Source: https://junglewise.ai/threats/technologies/ruby-saml  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/ruby-saml.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Onelogin Ruby-Saml: 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2025-66568, was published on 9 December 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (2 critical, 0 exploited in the wild)

## About Onelogin Ruby-Saml

ruby-saml is a Ruby library for implementing SAML authentication and single sign-on.

## Latest Onelogin Ruby-Saml vulnerabilities

- [CVE-2025-66568: Ruby-saml allows a Libxml2 Canonicalization error to bypass Digest/Signature validation](https://junglewise.ai/threats/cve-2025-66568-ruby-saml-allows-a-libxml2-canonicalization-error-to-bypass) (critical, CVSS 9.1, published 9 Dec 2025)
- [CVE-2025-66567: Ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)](https://junglewise.ai/threats/cve-2025-66567-ruby-saml-has-a-saml-authentication-bypass-due-to-namespace) (critical, CVSS 9.1, published 9 Dec 2025)
- [CVE-2016-5697: OneLogin ruby-saml XML signature wrapping attack](https://junglewise.ai/threats/cve-2016-5697-onelogin-ruby-saml-xml-signature-wrapping-attack) (high, CVSS 7.5, published 23 Jan 2017)

## Most severe Onelogin Ruby-Saml vulnerabilities

- [CVE-2025-66567: Ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)](https://junglewise.ai/threats/cve-2025-66567-ruby-saml-has-a-saml-authentication-bypass-due-to-namespace) (critical, CVSS 9.1, published 9 Dec 2025)
- [CVE-2025-66568: Ruby-saml allows a Libxml2 Canonicalization error to bypass Digest/Signature validation](https://junglewise.ai/threats/cve-2025-66568-ruby-saml-allows-a-libxml2-canonicalization-error-to-bypass) (critical, CVSS 9.1, published 9 Dec 2025)
- [CVE-2016-5697: OneLogin ruby-saml XML signature wrapping attack](https://junglewise.ai/threats/cve-2016-5697-onelogin-ruby-saml-xml-signature-wrapping-attack) (high, CVSS 7.5, published 23 Jan 2017)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Onelogin Ruby-Saml vulnerabilities", https://junglewise.ai/threats/technologies/ruby-saml, 9 November 2026.