{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24470","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-01-23T00:38:20.546Z","datePublished":"2026-01-26T22:23:43.325Z","dateUpdated":"2026-01-27T14:51:35.229Z"},"containers":{"cna":{"title":"Skipper Ingress Controller Allows Unauthorized Access to Internal Services via ExternalName","problemTypes":[{"descriptions":[{"cweId":"CWE-441","lang":"en","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/zalando/skipper/security/advisories/GHSA-mxxc-p822-2hx9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/zalando/skipper/security/advisories/GHSA-mxxc-p822-2hx9"},{"name":"https://github.com/zalando/skipper/commit/a4c87ce029a58eb8e1c2c1f93049194a39cf6219","tags":["x_refsource_MISC"],"url":"https://github.com/zalando/skipper/commit/a4c87ce029a58eb8e1c2c1f93049194a39cf6219"},{"name":"https://kubernetes.io/docs/concepts/services-networking/service/#externalname","tags":["x_refsource_MISC"],"url":"https://kubernetes.io/docs/concepts/services-networking/service/#externalname"}],"affected":[{"vendor":"zalando","product":"skipper","versions":[{"version":"< 0.24.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-01-26T22:23:43.325Z"},"descriptions":[{"lang":"en","value":"Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.24.0, when running Skipper as an Ingress controller, users with permissions to create an Ingress and a Service of type ExternalName can create routes that enable them to use Skipper's network access to reach internal services. Version 0.24.0 disables Kubernetes ExternalName by default. As a workaround, developers can allow list targets of an ExternalName and allow list via regular expressions."}],"source":{"advisory":"GHSA-mxxc-p822-2hx9","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-27T14:50:06.337869Z","id":"CVE-2026-24470","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-27T14:51:35.229Z"}}]}}