{"id":"CVE-2025-15566","aliases":["EUVD-2025-206889","GHSA-whpv-427c-7hc3"],"status":"published","title":"ingress-nginx auth-proxy-set-headers nginx configuration injection","description":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0052,"percentile":0.4451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-02-06T03:13:51Z","modified":"2026-10-28T02:31:14Z","products":[{"vendor":"kubernetes","product":"ingress-nginx"}],"references":[{"url":"https://github.com/kubernetes/kubernetes/issues/136789","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15566","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-whpv-427c-7hc3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15566.json","tags":["advisory"]},{"url":"https://github.com/kubernetes/ingress-nginx","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-15566","title":"ingress-nginx auth-proxy-set-headers nginx configuration injection","description":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)","status":"published","published":"2026-02-06T03:13:51.717Z","modified":"2026-02-26T15:04:16.591Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:37.680845Z"}],"euvd":[{"id":"EUVD-2025-206889","description":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)","status":"published","published":"2026-02-06T03:13:51Z","modified":"2026-02-26T15:04:16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:27.038974Z"}],"ghsa":[{"id":"GHSA-whpv-427c-7hc3","title":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth...","description":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)","status":"published","published":"2026-02-06T06:30:27Z","modified":"2026-02-06T06:30:28Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:06:04.731011Z"}],"nvd":[{"id":"CVE-2025-15566","description":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)","status":"published","published":"2026-02-06T04:15:51.96Z","modified":"2026-06-17T08:38:02.51Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:11:59.832225Z"}],"osv":[{"id":"CVE-2025-15566","title":"ingress-nginx auth-proxy-set-headers nginx configuration injection","description":"A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)","status":"published","published":"2026-02-06T03:13:51.717Z","modified":"2026-10-28T02:31:14.265976981Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:44:46.340268Z"}]}}