VDB
CVE-2026-32305
CVE-2026-32305
PUBLISHED
CVSS 7.800000190734863 HIGH
Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config
EPSS 0.42% · 36.2th percentile
Risk Scores
CVSS 4.0
7.800000190734863
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
EPSS Score
0.42%
36.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | traefik/traefik/v3 | 0, 3.7.0-ea.1 |
| Red Hat | Red Hat OpenShift Dev Spaces 3.28 | 1779786779 |
| github.com | traefik/traefik | 0 |
| github.com | traefik/traefik/v2 | 0 |
| Red Hat | Red Hat OpenShift Dev Spaces 3.27 | 1776718585 |
| traefik | traefik | < 2.11.41, >= 3.0.0-beta1, < 3.6.11, >= 3.7.0-ea.1, < 3.7.0-ea.2 |
| Red Hat | Red Hat OpenShift GitOps |
Timeline
- Mar 20, 2026 CVE Published
- Mar 20, 2026 EPSS Score
- Mar 20, 2026 PoC Published
- Mar 20, 2026 PoC Published
- Mar 20, 2026 PoC Published
- Mar 20, 2026 PoC Published
- Mar 20, 2026 PoC Published
- Mar 22, 2026 EPSS Score
- Mar 22, 2026 Coalition ESS Score
- Mar 22, 2026 Security Advisory
- Mar 23, 2026 EPSS Score
- Mar 25, 2026 EPSS Score
References
- https://github.com/traefik/traefik/security/advisories/GHSA-g3hg-j4jv-cwfr advisory
- https://access.redhat.com/errata/RHSA-2026:10175 technical
- https://access.redhat.com/errata/RHSA-2026:21772 technical
- https://access.redhat.com/security/cve/CVE-2026-32305 technical
- https://bugzilla.redhat.com/show_bug.cgi?id=2449595 technical
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32305.json technical
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305 advisory
- https://github.com/traefik/traefik package
- https://github.com/traefik/traefik/releases/tag/v2.11.41 url
- https://github.com/traefik/traefik/releases/tag/v3.6.11 url
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2 url