Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config in github.com/traefik/traefik
Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config in github.com/traefik/traefik
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-32305US | medium5.3OT elevated | — | ||
Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 are vulnerable to mTLS bypass through the TLS SNI pre-sni… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/traefik/traefik/releases/tag/v2.11.41WEB
- https://github.com/traefik/traefik/releases/tag/v3.6.11WEB
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2WEB
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305ADVISORY
scry
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