CVE-2026-4789

{"id": "CVE-2026-4789", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4789", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-01T18:43:09.447511Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "Kyverno", "product": "Kyverno", "versions": [{"status": "affected", "version": "1.16.0"}]}]}], "published": "2026-03-30T21:17:10.843", "references": [{"url": "https://github.com/kyverno/kyverno", "tags": ["Product"], "source": "cret@cert.org"}, {"url": "https://kb.cert.org/vuls/id/655822", "tags": ["Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://portswigger.net/web-security/ssrf", "tags": ["Technical Description"], "source": "cret@cert.org"}, {"url": "https://www.kb.cert.org/vuls/id/655822", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions."}, {"lang": "es", "value": "Kyverno, versiones 1.16.0 y posteriores, son vulnerables a SSRF debido a funciones HTTP CEL sin restricciones."}], "lastModified": "2026-06-17T10:57:13.363", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F2E0715F-61DE-45F5-840E-06CF5C468D33", "versionEndIncluding": "1.17.1", "versionStartIncluding": "1.16.0"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}