CVE-2026-32254

{"id": "CVE-2026-32254", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 2.8}]}, "published": "2026-03-18T04:17:24.340", "references": [{"url": "https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g", "tags": ["Exploit", "Mitigation", "Patch", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g", "tags": ["Exploit", "Mitigation", "Patch", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Kube-router is a turnkey solution for Kubernetes networking. Prior to version 2.8.0, Kube-router's proxy module does not validate externalIPs or loadBalancer IPs before programming them into the node's network configuration. Version 2.8.0 contains a patch for the issue. Available workarounds include enabling DenyServiceExternalIPs feature gate, deploying admission policy, restricting service creation RBAC, monitoring service changes, and applying BGP prefix filtering."}, {"lang": "es", "value": "Kube-router es una soluci\u00f3n llave en mano para redes de Kubernetes. Antes de la versi\u00f3n 2.8.0, el m\u00f3dulo proxy de Kube-router no valida las externalIPs o las IPs de loadBalancer antes de programarlas en la configuraci\u00f3n de red del nodo. La versi\u00f3n 2.8.0 contiene un parche para el problema. Las soluciones alternativas disponibles incluyen habilitar la puerta de caracter\u00edsticas DenyServiceExternalIPs, desplegar una pol\u00edtica de admisi\u00f3n, restringir el RBAC de creaci\u00f3n de servicios, monitorear los cambios de servicio y aplicar el filtrado de prefijos BGP."}], "lastModified": "2026-03-19T18:06:51.620", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kube-router:kube-router:*:*:*:*:*:kubernetes:*:*", "vulnerable": true, "matchCriteriaId": "C1324BAF-805F-49AF-9BAB-9218F73A9A2C", "versionEndExcluding": "2.8.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}