{"id":"CVE-2026-4789","aliases":["BIT-kyverno-2026-4789","GHSA-rggm-jjmc-3394","GO-2026-5621"],"url":"https://o3.security/vulnerability/CVE-2026-4789","summary":"CVE-2026-4789","details":"Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.","published":"2026-03-30T20:44:00.607Z","modified":"2026-08-12T03:51:30.033170834Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/kyverno/kyverno","fixedVersion":"1.17.0"}],"fix":null,"references":[{"type":"WEB","url":"https://kb.cert.org/vuls/id/655822"},{"type":"WEB","url":"https://portswigger.net/web-security/ssrf"},{"type":"WEB","url":"https://www.kb.cert.org/vuls/id/655822"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4789.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4789"},{"type":"PACKAGE","url":"https://github.com/kyverno/kyverno"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:30.033170834Z"}}