CVE-2026-54761
6 advisories.
Go/github.com/traefik/traefik/v3 CVE-2026-54761: high 7.1, EPSS 0.37%
Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.21 or later.
go get github.com/traefik/traefik/v3@v3.6.21go get github.com/traefik/traefik/v3@v3.7.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.21 | - |
| 3.7.0-ea.1 | 3.7.5 | - |
Fixed versions
| 3.6.21 | 3.7.5 |
Sources
- osv: GHSA-3g6v-2r68-prfc
- https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc
- https://nvd.nist.gov/vuln/detail/CVE-2026-54761
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v3.6.21
- https://github.com/traefik/traefik/releases/tag/v3.7.5
CVE-2026-54761 · published · modified · JSON
Go/github.com/traefik/traefik/v2 CVE-2026-54761: high 7.1, EPSS 0.37%
Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 2.11.50 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-3g6v-2r68-prfc#Go/github.com/traefik/traefik/v2
- https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc
- https://nvd.nist.gov/vuln/detail/CVE-2026-54761
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v3.6.21
- https://github.com/traefik/traefik/releases/tag/v3.7.5
CVE-2026-54761 · published · modified · JSON
Go/github.com/traefik/traefik CVE-2026-54761: high 7.1, EPSS 0.37%
Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services
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-3g6v-2r68-prfc#Go/github.com/traefik/traefik
- https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc
- https://nvd.nist.gov/vuln/detail/CVE-2026-54761
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v3.6.21
- https://github.com/traefik/traefik/releases/tag/v3.7.5
CVE-2026-54761 · published · modified · JSON
Go/github.com/traefik/traefik CVE-2026-54761: unknown, EPSS 0.37%
Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services 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-2026-5083
- https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc
- https://github.com/traefik/traefik/releases/tag/v3.6.21
- https://github.com/traefik/traefik/releases/tag/v3.7.5
CVE-2026-54761 · published · modified · JSON
Go/github.com/traefik/traefik/v2 CVE-2026-54761: unknown, EPSS 0.37%
Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services 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-2026-5083#Go/github.com/traefik/traefik/v2
- https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc
- https://github.com/traefik/traefik/releases/tag/v3.6.21
- https://github.com/traefik/traefik/releases/tag/v3.7.5
CVE-2026-54761 · published · modified · JSON
Go/github.com/traefik/traefik/v3 CVE-2026-54761: unknown, EPSS 0.37%
Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services in github.com/traefik/traefik
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.21 or later.
go get github.com/traefik/traefik/v3@v3.6.21go get github.com/traefik/traefik/v3@v3.7.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.21 | - |
| 3.7.0-ea.1 | 3.7.5 | - |
Fixed versions
| 3.6.21 | 3.7.5 |
Sources
- osv: GO-2026-5083#Go/github.com/traefik/traefik/v3
- https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc
- https://github.com/traefik/traefik/releases/tag/v3.6.21
- https://github.com/traefik/traefik/releases/tag/v3.7.5
CVE-2026-54761 · published · modified · JSON