{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32254", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-11T14:47:05.686Z", "datePublished": "2026-03-18T03:14:39.392Z", "dateUpdated": "2026-03-18T03:14:39.392Z"}, "containers": {"cna": {"title": "Kube-router Proxy Module Blindly Trusts ExternalIPs/LoadBalancer IPs Enabling Cluster-Wide Traffic Hijacking and DNS DoS", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g"}, {"name": "https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456", "tags": ["x_refsource_MISC"], "url": "https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456"}, {"name": "https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0"}], "affected": [{"vendor": "cloudnativelabs", "product": "kube-router", "versions": [{"version": "< 2.8.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-18T03:14:39.392Z"}, "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."}], "source": {"advisory": "GHSA-phqm-jgc3-qf8g", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-32254", "lastModified": "2026-03-18T04:17:24.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-18T04:17:24.340", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456"}, {"source": "security-advisories@github.com", "url": "https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}