# Kubernetes vulnerabilities Source: https://junglewise.ai/threats/vendors/kubernetes Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/kubernetes.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 11 vulnerabilities in Kubernetes: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-76654, was published on 26 October 2026. 2 vulnerabilities in the last four weeks, up 100% on the four before (1). 1 technology has a page of its own. ## Counts - Last 7 days: 0 - Last 30 days: 2 - Last 90 days: 3 - All time: 11 (1 critical, 0 exploited in the wild) ## About Kubernetes Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications. ## Latest Kubernetes vulnerabilities - [CVE-2026-76654: Kubernetes kubelet NTLM coercion via symlink on Windows nodes](https://junglewise.ai/threats/cve-2026-76654-an-ntlm-coercion-vulnerability-exists-on-windows-nodes-when-the) (medium, CVSS 5.8, published 26 Oct 2026) - [CVE-2026-2270: Kubernetes StatefulSet controller confused deputy in cross-namespace pod creation](https://junglewise.ai/threats/cve-2026-2270-a-confused-deputy-attack-exists-in-the-statefulset-controller-that) (medium, CVSS 5.9, published 26 Oct 2026) - [CVE-2026-19444: Kubernetes kubectl path traversal on Windows in cp command](https://junglewise.ai/threats/cve-2026-19444-a-path-traversal-vulnerability-was-discovered-in-the-kubernetes) (medium, CVSS 6.5, published 28 Sep 2026) - [CVE-2026-15687: Kubernetes Java client path traversal in copyDirectoryFromPod](https://junglewise.ai/threats/cve-2026-15687-kubernetes-java-client-path-traversal-in-copydirectoryfrompod) (low, CVSS 2.4, published 23 Jul 2026) - [CVE-2026-4342: Kubernetes ingress-nginx configuration injection via annotations](https://junglewise.ai/threats/cve-2026-4342-kubernetes-ingress-nginx-configuration-injection-via-annotations) (high, CVSS 8.8, published 19 Mar 2026) - [CVE-2025-57870: A SQL Injection vulnerability exists in Esri ArcGIS Server versions 11.3, 11.4 and 11.5 on Windows, Linux and…](https://junglewise.ai/threats/cve-2025-57870-a-sql-injection-vulnerability-exists-in-esri-arcgis-server) (critical, CVSS 10, published 22 Oct 2025) - [CVE-2021-25736: Kubernetes kube-proxy traffic forwarding error on Windows](https://junglewise.ai/threats/cve-2021-25736-kubernetes-kube-proxy-traffic-forwarding-error-on-windows) (medium, CVSS 5.8, published 30 Oct 2023) - [CVE-2020-8554: Kubernetes traffic interception via unverified ExternalIPs ownership](https://junglewise.ai/threats/cve-2020-8554-kubernetes-traffic-interception-via-unverified-externalips) (medium, CVSS 5, published 8 Feb 2022) - [CVE-2020-8562: Kubernetes proxy IP restriction bypass via DNS TOCTOU](https://junglewise.ai/threats/cve-2020-8562-kubernetes-proxy-ip-restriction-bypass-via-dns-toctou) (low, CVSS 3.1, published 2 Feb 2022) - [CVE-2021-25740: Kubernetes confused deputy in Endpoints and EndpointSlices](https://junglewise.ai/threats/cve-2021-25740-kubernetes-confused-deputy-in-endpoints-and-endpointslices) (low, CVSS 3.1, published 21 Sep 2021) - [CVE-2020-8561: Kubernetes kube-apiserver confused deputy in webhook configurations](https://junglewise.ai/threats/cve-2020-8561-kubernetes-kube-apiserver-confused-deputy-in-webhook) (medium, CVSS 4.1, published 21 Sep 2021) ## Most severe Kubernetes vulnerabilities - [CVE-2025-57870: A SQL Injection vulnerability exists in Esri ArcGIS Server versions 11.3, 11.4 and 11.5 on Windows, Linux and…](https://junglewise.ai/threats/cve-2025-57870-a-sql-injection-vulnerability-exists-in-esri-arcgis-server) (critical, CVSS 10, published 22 Oct 2025) - [CVE-2026-4342: Kubernetes ingress-nginx configuration injection via annotations](https://junglewise.ai/threats/cve-2026-4342-kubernetes-ingress-nginx-configuration-injection-via-annotations) (high, CVSS 8.8, published 19 Mar 2026) - [CVE-2026-19444: Kubernetes kubectl path traversal on Windows in cp command](https://junglewise.ai/threats/cve-2026-19444-a-path-traversal-vulnerability-was-discovered-in-the-kubernetes) (medium, CVSS 6.5, published 28 Sep 2026) - [CVE-2026-2270: Kubernetes StatefulSet controller confused deputy in cross-namespace pod creation](https://junglewise.ai/threats/cve-2026-2270-a-confused-deputy-attack-exists-in-the-statefulset-controller-that) (medium, CVSS 5.9, published 26 Oct 2026) - [CVE-2021-25736: Kubernetes kube-proxy traffic forwarding error on Windows](https://junglewise.ai/threats/cve-2021-25736-kubernetes-kube-proxy-traffic-forwarding-error-on-windows) (medium, CVSS 5.8, published 30 Oct 2023) - [CVE-2026-76654: Kubernetes kubelet NTLM coercion via symlink on Windows nodes](https://junglewise.ai/threats/cve-2026-76654-an-ntlm-coercion-vulnerability-exists-on-windows-nodes-when-the) (medium, CVSS 5.8, published 26 Oct 2026) - [CVE-2020-8554: Kubernetes traffic interception via unverified ExternalIPs ownership](https://junglewise.ai/threats/cve-2020-8554-kubernetes-traffic-interception-via-unverified-externalips) (medium, CVSS 5, published 8 Feb 2022) - [CVE-2020-8561: Kubernetes kube-apiserver confused deputy in webhook configurations](https://junglewise.ai/threats/cve-2020-8561-kubernetes-kube-apiserver-confused-deputy-in-webhook) (medium, CVSS 4.1, published 21 Sep 2021) - [CVE-2021-25740: Kubernetes confused deputy in Endpoints and EndpointSlices](https://junglewise.ai/threats/cve-2021-25740-kubernetes-confused-deputy-in-endpoints-and-endpointslices) (low, CVSS 3.1, published 21 Sep 2021) - [CVE-2020-8562: Kubernetes proxy IP restriction bypass via DNS TOCTOU](https://junglewise.ai/threats/cve-2020-8562-kubernetes-proxy-ip-restriction-bypass-via-dns-toctou) (low, CVSS 3.1, published 2 Feb 2022) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up 100% on the four before (1). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 1 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 2 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Kubernetes technologies - [Kubernetes](https://junglewise.ai/threats/technologies/kubernetes): 6 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Kubernetes vulnerabilities", https://junglewise.ai/threats/vendors/kubernetes, 9 November 2026.