{"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":"2026-03-18T13:35:56.647Z"},"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"}},"adp":[{"references":[{"url":"https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-18T13:35:53.287054Z","id":"CVE-2026-32254","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-18T13:35:56.647Z"}}]}}