CVE-2026-26055
HighSummary
W wersjach 0.19.0 i wcześniejszych w komponencie Air Traffic Controller (ATC) narzędzia Yoke występuje podatność związana z brakiem odpowiednich mechanizmów uwierzytelniania w punktach końcowych webhooka. Umożliwia to dowolnemu podowi w sieci klastra wysyłanie żądań AdmissionReview do webhooka, omijając uwierzytelnianie serwera API Kubernetes.
Risk Assessment
Atakujący mogą uruchomić moduły WASM w kontekście kontrolera ATC bez odpowiednich uprawnień, co stwarza poważne zagrożenie dla bezpieczeństwa infrastruktury. Może to prowadzić do nieautoryzowanego dostępu i potencjalnych szkód w systemie.
Recommendation
Zaleca się aktualizację Yoke do wersji, w której naprawiono tę podatność, oraz wdrożenie odpowiednich mechanizmów uwierzytelniania dla punktów końcowych webhooka ATC. Należy również przeprowadzić audyt bezpieczeństwa klastra Kubernetes.
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Original NVD description (English source)
Yoke is a Helm-inspired infrastructure-as-code (IaC) package deployer. In 0.19.0 and earlier, a vulnerability exists in the Air Traffic Controller (ATC) component of Yoke. The ATC webhook endpoints lack proper authentication mechanisms, allowing any pod within the cluster network to directly send AdmissionReview requests to the webhook, bypassing Kubernetes API Server authentication. This enables attackers to trigger WASM module execution in the ATC controller context without proper authorization.