Lucene search
+L

GO-2026-6211 Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth in github.com/traefik/traefik

🗓️ 18 Aug 2026 14:32:29Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Traefik incomplete fix for CVE-2026-33433 and CVE-2026-39858 allows underscore-variant header identity spoofing in BasicAuth, DigestAuth, and ForwardAuth.

Related
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

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

18 Aug 2026 15:00Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.110
CVSS 47.8
EPSS0.00208
SSVC
3