{"id":"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.","aliases":["GHSA-qr4g-8hrp-c4rw","GO-2026-5594"],"modified":"2026-09-03T03:46:26.153076719Z","published":"2026-09-01T11:33:59.097Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84196.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kyverno/kyverno","events":[{"introduced":"0"},{"fixed":"78e7560a5531fda5a39ffb119d7d8e47527d8aee"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"fixed":"1.18.0"}]}}],"versions":["v1.18.0-rc.1","kyverno-policies-chart-3.8.0-rc.1","kyverno-chart-3.8.0-rc.1","1.9-dev","1.8-dev","1.7-dev","test-dev","1.6-dev","helm-chart-v2.1.3","v1.5.0-rc1","helm-chart-v2.1.0","v1.4.3","helm-chart-v2.0.3","v1.4.3-rc2","helm-chart-v2.0.3-rc2","v1.4.3-rc1","helm-chart-v2.0.3-rc1","v1.4.2","v1.4.2-rc4","v1.4.2-rc3","v1.4.2-rc2","v1.4.2-rc1","v1.4.1","v1.4.0-rc4","v1.4.0","v1.4.0-rc3","v1.4.0-rc2","v1.4.0-rc1","v1.3.6","v1.3.6-rc5","v1.3.6-rc4","v1.3.6-rc3","v1.3.6-rc2","v1.3.6-rc1","v1.3.5","v1.3.5-rc5","v1.3.5-rc4","v1.3.5-rc3","v1.3.5-rc2","v1.3.5-rc1","v1.3.4","v1.3.4-rc1","v1.3.3","v1.3.2","v1.3.2-rc3","v1.3.2-rc2","v1.3.2-rc1","v1.3.1","v1.3.0","v1.3.0-rc12","v1.3.0-rc11","v1.3.0-rc10","1.3.0-rc10","v1.3.0-rc9","v1.3.0-rc8","v1.3.0-rc7","v1.3.0-rc6","v1.3.0-rc5","v1.3.0-rc4","v1.3.0-rc3","v1.3.0-rc2","v1.3.0-rc1","v1.2.1","v1.2.0","v1.1.12","v1.1.11","v1.1.10","v1.1.9","v1.1.8","v1.1.7","v1.1.7-rc4","v1.1.7-rc3","v1.1.7-rc2","v1.1.7-rc1","v1.1.6","v1.1.6-rc5","v1.1.6-rc4","v1.1.6-rc3","v1.1.6-rc2","v1.1.6-rc1","v1.1.5","v1.1.4","v1.1.4-rc1","v1.1.3","v1.1.3-rc1","v1.1.2","v1.1.1","v1.0.0","v1.0.0-rc1","v0.11.0","v0.10.0","v0.9.1","v0.9.0","v0.8.0","v0.7.1","v0.7.0","v0.5.0","v0.4.0","v0.3.0","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84196.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"}]}