{"id":"CVE-2026-84196","aliases":["GHSA-qr4g-8hrp-c4rw","GO-2026-5594"],"url":"https://o3.security/vulnerability/CVE-2026-84196","summary":"Kyverno before 1.18.0 Server-Side Request Forgery via apiCall","details":"Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requests by injecting user-controlled input through variable substitution. Attackers can target internal services, cloud metadata endpoints, and loopback addresses, with response data reflected in admission error messages enabling non-blind data exfiltration.","published":"2026-09-01T11:33:59.097Z","modified":"2026-09-02T03:55:28.606664327Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/kyverno/kyverno","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84196.json"},{"type":"ADVISORY","url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-qr4g-8hrp-c4rw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84196"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/kyverno-before-1.18.0-server-side-request-forgery-via-apicall"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-02T03:55:28.606664327Z"}}