CVE-2026-32305
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
EPSS 0.01%
Description
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
How to fix CVE-2026-32305
To remediate CVE-2026-32305, upgrade the affected package to a fixed version below.
- Go/github.com/traefik/traefik—no fix listed
- Go/github.com/traefik/traefik—no fix listed
- —upgrade to 2.11.41 or later
- —upgrade to 2.11.41 or later
- —upgrade to 3.7.0-ea.2 or later
- —upgrade to 3.6.11 or later
Is CVE-2026-32305 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, <= 1.7.34
- from 0
- from 0, < 2.11.41
- from 0, < 2.11.41
- >= 3.7.0-ea.1, < 3.7.0-ea.2
- from 0, < 3.6.11, >= 3.7.0-ea.1, < 3.7.0-ea.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N |