CVE-2026-24470

{"id": "CVE-2026-24470", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "published": "2026-01-26T23:16:09.123", "references": [{"url": "https://github.com/zalando/skipper/commit/a4c87ce029a58eb8e1c2c1f93049194a39cf6219", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/zalando/skipper/security/advisories/GHSA-mxxc-p822-2hx9", "tags": ["Vendor Advisory", "Mitigation"], "source": "security-advisories@github.com"}, {"url": "https://kubernetes.io/docs/concepts/services-networking/service/#externalname", "tags": ["Product"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-441"}, {"lang": "en", "value": "CWE-918"}]}], "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."}], "lastModified": "2026-02-18T17:39:44.020", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zalando:skipper:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEBBEB5D-B41E-48C3-BF83-F5018AAA9D12", "versionEndExcluding": "0.24.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}