Lucene search
K

authentik's XML Signature Wrapping in SAML Source ACS allows authentication as arbitrary federated user

šŸ—“ļøĀ 29 May 2026Ā 20:25:48Reported byĀ GitHub Advisory DatabaseTypeĀ 
github
Ā github
šŸ”—Ā github.comšŸ‘Ā 17Ā Views

authentik's SAML Source ACS is vulnerable to XML Signature Wrapping enabling login as another federated user.

Related
Detection
Refs

Data

Build on a solid foundation withĀ Vulners data

WeĀ provide theĀ essential building blocks forĀ cybersecurity solutions withĀ comprehensive, structured, andĀ constantly updated vulnerability andĀ exploits data

Api

Power your application withĀ Vulners API

The Vulners REST API offers reliable, high-performance access toĀ vulnerabilityĀ intelligence, withĀ 99.9%Ā SLAĀ uptime andĀ CDN-backed data delivery forĀ seamlessĀ global access

App

Assess and manage vulnerabilities withĀ VulnersĀ tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

09 Jun 2026 11:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.5
EPSS0.00252
SSVC
17