CVE-2026-44247
MediumCVSS 6.8Summary
Volcano to system planowania wsadowego natywny dla Kubernetes. W wersjach przed v1.14.2, v1.13.3 i v1.12.4 serwer webhook Volcano nie wymusza limitu rozmiaru dla przychodzących ciał żądań HTTP, co pozwala na wysyłanie dowolnie dużych żądań przez pod'y w klastrze.
Risk Assessment
Może to prowadzić do sytuacji, w której serwer webhook zostanie zabity z powodu braku pamięci (OOM), co wpływa na stabilność całego systemu. Wszystkie wdrożenia Volcano z serwerem webhook dostępnym dla ruchu wewnątrz klastra są narażone.
Recommendation
Zaleca się aktualizację do wersji v1.14.2, v1.13.3 lub v1.12.4, aby usunąć tę podatność. Należy również rozważyć ograniczenie dostępu do serwera webhook w celu zwiększenia bezpieczeństwa.
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Original NVD description (English source)
Volcano is a Kubernetes-native batch scheduling system. Prior to v1.14.2, v1.13.3, and v1.12.4, the Volcano webhook server does not enforce a size limit on incoming HTTP request bodies. Any in-cluster pod that can reach the webhook endpoint may send an arbitrarily large request body, potentially causing the webhook server to be killed by OOM. All Volcano deployments with the webhook server exposed to in-cluster traffic are affected. This vulnerability is fixed in v1.14.2, v1.13.3, and v1.12.4.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

