CVE-2026-54765
CVE-2026-54765: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.5
High [CVE-2026-54765] Unauthorized filter context application in Kubernetes Gateway API provider
CVE-2026-54765Source published Source updated
Traefik is an open source HTTP reverse proxy and load balancer. From v3.7.0 prior to v3.7.6, Traefik's Kubernetes Gateway API provider may resolve two accepted HTTPRoutes that target the same backend Service:port but configure different backendRef filters to the same child service and apply only one route's filter set to all requests reaching that backend. In Gateway deployments where backendRef filters set security-sensitive headers, such as tenant identity, authorization context, or values the backend trusts, an attacker who can create an accepted HTTPRoute sharing the same backend Service:port may cause their route's filter context to be applied to another route's requests, potentially crossing namespace boundaries when a ReferenceGrant permits cross-namespace targeting. This issue is…
- Affected products in this advisory
- Red Hat OpenShift Dev Spaces
- Source-reported affected versions
- < 7.0
- < 7.6
- Source-reported fixed versions
- 3.7.6
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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