{"action":"Upgrade github.com/kyverno/kyverno to 1.17.0 or later.","affected":[{"fixed":"1.17.0","introduced":"1.16.0"}],"component":"github.com/kyverno/kyverno","cve_ids":["CVE-2026-4789"],"ecosystem":"Go","epss":0.00709,"exploited":false,"fixed_versions":["1.17.0"],"ghsa_id":"GHSA-rggm-jjmc-3394","id":"tcs_01M5KGNPP0E6WNKRG87C4QV42Y","modified_at":"2026-06-25T23:11:18.796658302Z","published_at":"2026-06-25T22:34:34Z","references":["https://osv.dev/vulnerability/GO-2026-5621","https://github.com/kyverno/kyverno/security/advisories/GHSA-rggm-jjmc-3394","https://nvd.nist.gov/vuln/detail/CVE-2026-4789","https://github.com/kyverno/kyverno/pull/15729","https://www.kb.cert.org/vuls/id/655822"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GO-2026-5621","url":"https://osv.dev/vulnerability/GO-2026-5621"},{"source":"nvd","source_id":"CVE-2026-4789","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4789"}],"summary":"Kyverno has SSRF via CEL http.Get/http.Post in NamespacedValidatingPolicy allows cross-namespace data access in github.com/kyverno/kyverno"}