Cilium: Namespaced HTTPRoutes can redirect traffic to other namespaces
Cilium is a networking, observability, and security solution. Prior to 1.17.17, 1.18.11, and 1.19.5, Cilium clusters using Gateway API allow users with permissions to create or update namespaced HTTPRoutes to mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism. Gateway API functionality is disabled by default. This issue is fixed in versions 1.17.17, 1.18.11, and 1.19.5.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-56742US | high8.9OT erhöht | — | ||
Cilium is a networking, observability, and security solution. Prior to 1.17.17, 1.18.11, and 1.19.5, Cilium clusters using Gateway API allow users with permissions to create or upd… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/cilium/cilium/commit/7422068aff67ac77c7dcc57aa5b9240c91333debFIX
- https://github.com/cilium/cilium/commit/e0b1cef513ff910323f3743e9f3e3d86721e4857FIX
- https://github.com/cilium/cilium/commit/f23929cff682d6ed0dc158070812cb302fc0032bFIX
- https://github.com/cilium/cilium/commit/fd47963ea394d5e8fa4a88c40a79063430c512caFIX
- https://github.com/cilium/cilium/releases/tag/v1.17.17ARTICLE
- https://github.com/cilium/cilium/releases/tag/v1.18.11ARTICLE
- https://github.com/cilium/cilium/releases/tag/v1.19.5ARTICLE
- https://github.com/cilium/cilium/security/advisories/GHSA-w7c2-w76w-5hmjADVISORY
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