CVE-2026-32305
6 advisories.
Go/github.com/traefik/traefik/v3 CVE-2026-32305: high, EPSS 0.49%
Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.11 or later.
go get github.com/traefik/traefik/v3@v3.7.0-ea.2go get github.com/traefik/traefik/v3@v3.6.11Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.7.0-ea.1 | 3.7.0-ea.2 | - |
| 0 | 3.6.11 | - |
Fixed versions
| 3.7.0-ea.2 | 3.6.11 |
Sources
- osv: GHSA-wvvq-wgcr-9q48
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.41
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2
CVE-2026-32305 · published · modified · JSON
Go/github.com/traefik/traefik/v2 CVE-2026-32305: high, EPSS 0.49%
Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config
Action: Upgrade github.com/traefik/traefik/v2 to 2.11.41 or later.
go get github.com/traefik/traefik/v2@v2.11.41Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.41 | - |
Fixed versions
| 2.11.41 |
Sources
- osv: GHSA-wvvq-wgcr-9q48#Go/github.com/traefik/traefik/v2
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.41
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2
CVE-2026-32305 · published · modified · JSON
Go/github.com/traefik/traefik CVE-2026-32305: high, EPSS 0.49%
Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 1.7.34 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-wvvq-wgcr-9q48#Go/github.com/traefik/traefik
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.41
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2
CVE-2026-32305 · published · modified · JSON
Go/github.com/traefik/traefik CVE-2026-32305: unknown, EPSS 0.49%
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
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-4793
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305
- https://github.com/traefik/traefik/releases/tag/v2.11.41
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2
CVE-2026-32305 · published · modified · JSON
Go/github.com/traefik/traefik/v2 CVE-2026-32305: unknown, EPSS 0.49%
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
Action: Upgrade github.com/traefik/traefik/v2 to 2.11.41 or later.
go get github.com/traefik/traefik/v2@v2.11.41Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.41 | - |
Fixed versions
| 2.11.41 |
Sources
- osv: GO-2026-4793#Go/github.com/traefik/traefik/v2
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305
- https://github.com/traefik/traefik/releases/tag/v2.11.41
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2
CVE-2026-32305 · published · modified · JSON
Go/github.com/traefik/traefik/v3 CVE-2026-32305: unknown, EPSS 0.49%
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
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.11 or later.
go get github.com/traefik/traefik/v3@v3.6.11go get github.com/traefik/traefik/v3@v3.7.0-ea.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.11 | - |
| 3.7.0-ea.1 | 3.7.0-ea.2 | - |
Fixed versions
| 3.6.11 | 3.7.0-ea.2 |
Sources
- osv: GO-2026-4793#Go/github.com/traefik/traefik/v3
- https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48
- https://nvd.nist.gov/vuln/detail/CVE-2026-32305
- https://github.com/traefik/traefik/releases/tag/v2.11.41
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2
CVE-2026-32305 · published · modified · JSON