{"cve":"CVE-2026-4789","nvd":{"published":"2026-03-30T21:17:10.843","modified":"2026-06-17T10:57:13.363","status":"Analyzed","description":"Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-918"],"references":["https://github.com/kyverno/kyverno","https://kb.cert.org/vuls/id/655822","https://portswigger.net/web-security/ssrf","https://www.kb.cert.org/vuls/id/655822"],"products":["kyverno:kyverno"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-4789","score":0.00709,"percentile":0.53512,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rggm-jjmc-3394","url":"https://osv.dev/vulnerability/GHSA-rggm-jjmc-3394","summary":"Kyverno has SSRF via CEL http.Get/http.Post in NamespacedValidatingPolicy allows cross-namespace data access","modified":"2026-09-10T03:51:03.075785416Z","packages":[{"ecosystem":"Go","name":"github.com/kyverno/kyverno","purl":"pkg:golang/github.com/kyverno/kyverno","ranges":[">=1.16.0 <1.17.0"],"fixed":["1.17.0"]}]},{"id":"GO-2026-5621","url":"https://osv.dev/vulnerability/GO-2026-5621","summary":"Kyverno has SSRF via CEL http.Get/http.Post in NamespacedValidatingPolicy allows cross-namespace data access in github.com/kyverno/kyverno","modified":"2026-06-25T23:11:18.796658302Z","packages":[{"ecosystem":"Go","name":"github.com/kyverno/kyverno","purl":"pkg:golang/github.com/kyverno/kyverno","ranges":[">=1.16.0 <1.17.0"],"fixed":["1.17.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}