{"id":"CVE-2026-1580","aliases":["GHSA-9h3p-52vh-959w","GO-2026-4423"],"url":"https://o3.security/vulnerability/CVE-2026-1580","summary":"ingress-nginx auth-method nginx configuration injection","details":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)","published":"2026-02-03T22:16:47.223Z","modified":"2026-08-12T03:51:35.857664816Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.00485,"percentile":0.39507,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"k8s.io/ingress-nginx","fixedVersion":"1.13.7"},{"ecosystem":"Go","name":"k8s.io/ingress-nginx","fixedVersion":"1.14.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1580.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1580"},{"type":"REPORT","url":"https://github.com/kubernetes/kubernetes/issues/136677"},{"type":"PACKAGE","url":"https://github.com/kubernetes/ingress-nginx"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:35.857664816Z"}}