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Insufficient Compartmentalization Affecting traefik-3 package, versions <3.7.10-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.13% (4th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-TRAEFIK3-18590670
  • published8 Aug 2026
  • disclosed6 Aug 2026
Report a new vulnerability Found a mistake?

Introduced: 6 Aug 2026

NewCVE-2026-71325  (opens in a new tab)
CWE-653  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade Minimos:latest traefik-3 to version 3.7.10-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream traefik-3 package and not the traefik-3 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Traefik is an open-source edge router that makes publishing services a fun and easy experience. Prior to 2.11.54, 3.6.25, and 3.7.10, cross-namespace @kubernetescrd references are not rejected for TraefikService backend references resolved by the service resolver. A tenant confined by RBAC to a single namespace can therefore bind its own router to a TraefikService owned by another namespace and expose or reroute that namespace's backend, defeating the namespace isolation allowCrossNamespace=false is meant to enforce. This issue is fixed in version 2.11.54, 3.6.25, 3.7.10.