{"cve":"CVE-2026-84195","nvd":{"published":"2026-09-01T12:17:49.130","modified":"2026-09-10T15:43:03.760","status":"Awaiting Analysis","description":"Kyverno before 1.16.4 automatically attaches the admission controller's ServiceAccount token to outbound HTTP requests in apiCall service mode without explicit authorization headers. Attackers can exfiltrate the token by directing apiCall requests to external or attacker-controlled endpoints, gaining full control over Kyverno policies and cluster resources.","cvss_v4":{"vector":"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","score":8.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","score":7.7},"cwes":["CWE-200"],"references":["https://github.com/kyverno/kyverno/security/advisories/GHSA-8wfp-579w-6r25","https://www.vulncheck.com/advisories/kyverno-before-1.16.4-credential-leak-via-apicall","https://github.com/kyverno/kyverno/security/advisories/GHSA-8wfp-579w-6r25"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:50:50.842544443+00:00"},"epss":{"cve":"CVE-2026-84195","score":0.00386,"percentile":0.32651,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-8wfp-579w-6r25","url":"https://osv.dev/vulnerability/GHSA-8wfp-579w-6r25","summary":"Kyverno apiCall automatically forwards ServiceAccount token to external endpoints (credential leak)","modified":"2026-09-25T14:25:37.213145521Z","packages":[{"ecosystem":"Go","name":"github.com/kyverno/kyverno","purl":"pkg:golang/github.com/kyverno/kyverno","ranges":["<1.17.0"],"fixed":["1.17.0"]}]},{"id":"GO-2026-5268","url":"https://osv.dev/vulnerability/GO-2026-5268","summary":"Kyverno apiCall automatically forwards ServiceAccount token to external endpoints (credential leak) in github.com/kyverno/kyverno","modified":"2026-09-25T14:25:37.213145521Z","packages":[{"ecosystem":"Go","name":"github.com/kyverno/kyverno","purl":"pkg:golang/github.com/kyverno/kyverno","ranges":["<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."]}