CVE-2026-48491

A flaw was found in Traefik, an HTTP reverse proxy and load balancer. This vulnerability allows an unauthenticated client to bypass mutual Transport Layer Security TLS enforcement, a security measure that verifies both client and server identities. The bypass occurs due to an issue in Traefik's...

CVE-2026-54275

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the serverhostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request serverhostname...

traefik -- Multiple vulnerabilities

The traefik project releases a new version addressing multiple CVEs: CVE-2026-48020 StripPrefix Route-Level Auth Bypass CVE-2026-48491 SNICheck ignores wildcard TLSOptions mappings, allowing domain-fronted mTLS bypass HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case...