{"id":"CVE-2026-76471","aliases":["EUVD-2026-94461","GHSA-cw8g-p542-fwjp"],"status":"published","title":"Cisco NX-OS Software NX-API Remote Code Execution Vulnerability","description":"A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device.\u0026nbsp;\r\n\r\nThe vulnerability is due to insufficient input validation of data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a reload of the device and a DoS condition.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00486,"percentile":0.42189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-10-07T16:15:35Z","modified":"2026-10-08T20:08:45Z","products":[{"vendor":"cisco","product":"cisco nx-os software"},{"vendor":"cisco","product":"cisco unified computing system (managed)"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-napi-rce-r2shwu2j"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76471"},{"url":"https://github.com/advisories/GHSA-cw8g-p542-fwjp"}],"sources":{"cve":[{"id":"CVE-2026-76471","title":"Cisco NX-OS Software NX-API Remote Code Execution Vulnerability","description":"A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device.\u0026nbsp;\r\n\r\nThe vulnerability is due to insufficient input validation of data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a reload of the device and a DoS condition.","status":"published","published":"2026-10-07T16:15:35.076Z","modified":"2026-10-08T03:55:32.792Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T13:46:32.755125Z"}],"euvd":[{"id":"EUVD-2026-94461","description":"A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device.\u0026nbsp;\r\n\r\nThe vulnerability is due to insufficient input validation of data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a reload of the device and a DoS condition.","status":"published","published":"2026-10-07T16:15:35Z","modified":"2026-10-08T03:55:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:27:33.555595Z"}],"ghsa":[{"id":"GHSA-cw8g-p542-fwjp","title":"A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated,...","description":"A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device.\u0026nbsp;\n\nThe vulnerability is due to insufficient input validation of data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a reload of the device and a DoS condition.","status":"published","published":"2026-10-07T18:32:11Z","modified":"2026-10-07T18:32:21Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:12:55.347665Z"}],"nvd":[{"id":"CVE-2026-76471","description":"A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device.\u0026nbsp;\r\n\r\nThe vulnerability is due to insufficient input validation of data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a reload of the device and a DoS condition.","status":"published","published":"2026-10-07T17:17:00.23Z","modified":"2026-10-08T20:08:45.857Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:54.809359Z"}]}}