Mmastodon TechnologyCybersecurity first seen 1 d ago, last 1 d ago, peak #2

High-severity denial of service flaw disclosed in Kyverno

Original: 🚨 EUVD-2026-117216 📊 Score: 8.3/10 (CVSS v3.1) 📦 Product: kyverno 🏢 Vendor: kyverno 📅 Updated: 2026-11-05 📝 Kyverno befo

A vulnerability tracked as EUVD-2026-117216, scored 8.3 out of 10 under CVSS v3.1, has been disclosed in Kyverno, the Kubernetes policy management tool. Versions before 1.19.2 contain a denial of service flaw in the substituteVariablesIfAny function that lets low-privileged users hang the admission webhook, potentially blocking workloads. Administrators running older versions are being urged to review and patch.

Why now: The vulnerability allows low-privileged users to disrupt cluster admissions, making it urgent for Kubernetes operators to patch.

KyvernoKubernetesEUVD

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Evidence

• 🚨 EUVD-2026-117216 📊 Score: 8.3/10 (CVSS v3.1) 📦 Product: kyverno 🏢 Vendor: kyverno 📅 Updated: 2026-11-05 📝 Kyverno before 1.19.2 contains a denial of service vulnerability in substituteVariablesIfAny that allows low-privileged users to hang the admission webhook via… · EUVD_Bot

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