{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76471","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2026-08-19T12:02:03.638Z","datePublished":"2026-10-07T16:15:35.076Z","dateUpdated":"2026-10-08T03:55:32.792Z"},"containers":{"cna":{"title":"Cisco NX-OS Software NX-API Remote Code Execution Vulnerability","metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"descriptions":[{"lang":"en","value":"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. \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."}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-napi-rce-r2shwu2j","name":"cisco-sa-napi-rce-r2shwu2j"}],"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-napi-rce-r2shwu2j","discovery":"INTERNAL","defects":["CSCwu46202"]},"problemTypes":[{"descriptions":[{"lang":"en","description":"Heap-based Buffer Overflow","type":"cwe","cweId":"CWE-122"}]}],"affected":[{"vendor":"Cisco","product":"Cisco NX-OS Software","versions":[{"version":"9.2(3)","status":"affected"},{"version":"9.2(2v)","status":"affected"},{"version":"9.2(1)","status":"affected"},{"version":"9.2(2t)","status":"affected"},{"version":"9.2(3y)","status":"affected"},{"version":"9.3(2)","status":"affected"},{"version":"9.2(4)","status":"affected"},{"version":"9.3(1)","status":"affected"},{"version":"9.3(1z)","status":"affected"},{"version":"9.2(2)","status":"affected"},{"version":"9.3(3)","status":"affected"},{"version":"9.3(4)","status":"affected"},{"version":"9.3(5)","status":"affected"},{"version":"9.3(6)","status":"affected"},{"version":"9.3(5w)","status":"affected"},{"version":"9.3(7)","status":"affected"},{"version":"9.3(7k)","status":"affected"},{"version":"9.3(7a)","status":"affected"},{"version":"9.3(8)","status":"affected"},{"version":"9.3(9)","status":"affected"},{"version":"9.3(10)","status":"affected"},{"version":"10.3(1)","status":"affected"},{"version":"10.3(2)","status":"affected"},{"version":"9.3(11)","status":"affected"},{"version":"10.3(3)","status":"affected"},{"version":"9.3(12)","status":"affected"},{"version":"10.4(1)","status":"affected"},{"version":"10.3(99w)","status":"affected"},{"version":"10.3(3w)","status":"affected"},{"version":"10.3(99x)","status":"affected"},{"version":"10.3(3o)","status":"affected"},{"version":"10.3(4)","status":"affected"},{"version":"10.3(3p)","status":"affected"},{"version":"10.3(4a)","status":"affected"},{"version":"10.4(2)","status":"affected"},{"version":"10.3(3q)","status":"affected"},{"version":"9.3(13)","status":"affected"},{"version":"10.3(5)","status":"affected"},{"version":"10.4(3)","status":"affected"},{"version":"10.3(3x)","status":"affected"},{"version":"10.3(4g)","status":"affected"},{"version":"10.5(1)","status":"affected"},{"version":"10.3(3r)","status":"affected"},{"version":"10.3(6)","status":"affected"},{"version":"9.3(14)","status":"affected"},{"version":"10.4(4)","status":"affected"},{"version":"10.3(4h)","status":"affected"},{"version":"10.5(2)","status":"affected"},{"version":"10.3(7)","status":"affected"},{"version":"10.4(5)","status":"affected"},{"version":"10.5(3)","status":"affected"},{"version":"9.3(15)","status":"affected"},{"version":"10.4(4g)","status":"affected"},{"version":"10.5(4)","status":"affected"},{"version":"10.6(1)","status":"affected"},{"version":"10.5(3t)","status":"affected"},{"version":"10.3(8)","status":"affected"},{"version":"10.4(6)","status":"affected"},{"version":"10.5(3s)","status":"affected"},{"version":"10.5(3e)","status":"affected"},{"version":"10.5(3o)","status":"affected"},{"version":"9.3(16)","status":"affected"},{"version":"10.6(1s)","status":"affected"},{"version":"10.6(2)","status":"affected"},{"version":"10.5(3p)","status":"affected"},{"version":"10.3(9)","status":"affected"},{"version":"10.6(2s)","status":"affected"},{"version":"10.6(3)","status":"affected"},{"version":"10.4(7)","status":"affected"},{"version":"10.5(5)","status":"affected"},{"version":"9.3(17)","status":"affected"},{"version":"10.6(2n)","status":"affected"},{"version":"10.6(3s)","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Cisco","product":"Cisco Unified Computing System (Managed)","versions":[{"version":"4.0(1a)","status":"affected"},{"version":"4.1(1d)","status":"affected"},{"version":"4.0(4f)","status":"affected"},{"version":"4.0(4a)","status":"affected"},{"version":"4.0(4e)","status":"affected"},{"version":"4.0(4c)","status":"affected"},{"version":"4.0(4h)","status":"affected"},{"version":"4.1(1c)","status":"affected"},{"version":"4.0(2a)","status":"affected"},{"version":"4.1(1e)","status":"affected"},{"version":"4.1(2a)","status":"affected"},{"version":"4.0(2b)","status":"affected"},{"version":"4.0(1b)","status":"affected"},{"version":"4.0(4d)","status":"affected"},{"version":"4.0(2e)","status":"affected"},{"version":"4.1(1a)","status":"affected"},{"version":"4.0(4g)","status":"affected"},{"version":"4.0(1c)","status":"affected"},{"version":"4.0(1d)","status":"affected"},{"version":"4.0(4b)","status":"affected"},{"version":"4.0(4i)","status":"affected"},{"version":"4.0(2d)","status":"affected"},{"version":"4.1(1b)","status":"affected"},{"version":"4.1(2b)","status":"affected"},{"version":"4.0(4k)","status":"affected"},{"version":"4.1(3a)","status":"affected"},{"version":"4.1(3b)","status":"affected"},{"version":"4.1(2c)","status":"affected"},{"version":"4.0(4l)","status":"affected"},{"version":"4.1(4a)","status":"affected"},{"version":"4.1(3c)","status":"affected"},{"version":"4.1(3d)","status":"affected"},{"version":"4.2(1c)","status":"affected"},{"version":"4.2(1d)","status":"affected"},{"version":"4.0(4m)","status":"affected"},{"version":"4.1(3e)","status":"affected"},{"version":"4.2(1f)","status":"affected"},{"version":"4.1(3f)","status":"affected"},{"version":"4.2(1i)","status":"affected"},{"version":"4.1(3h)","status":"affected"},{"version":"4.2(1k)","status":"affected"},{"version":"4.2(1l)","status":"affected"},{"version":"4.0(4n)","status":"affected"},{"version":"4.2(1m)","status":"affected"},{"version":"4.1(3i)","status":"affected"},{"version":"4.2(2a)","status":"affected"},{"version":"4.2(1n)","status":"affected"},{"version":"4.1(3j)","status":"affected"},{"version":"4.2(2c)","status":"affected"},{"version":"4.2(2d)","status":"affected"},{"version":"4.2(3b)","status":"affected"},{"version":"4.1(3k)","status":"affected"},{"version":"4.0(4o)","status":"affected"},{"version":"4.2(2e)","status":"affected"},{"version":"4.2(3d)","status":"affected"},{"version":"4.2(3e)","status":"affected"},{"version":"4.2(3g)","status":"affected"},{"version":"4.1(3l)","status":"affected"},{"version":"4.3(2b)","status":"affected"},{"version":"4.2(3h)","status":"affected"},{"version":"4.2(3i)","status":"affected"},{"version":"4.3(2c)","status":"affected"},{"version":"4.1(3m)","status":"affected"},{"version":"4.3(2e)","status":"affected"},{"version":"4.3(3a)","status":"affected"},{"version":"4.2(3j)","status":"affected"},{"version":"4.3(3c)","status":"affected"},{"version":"4.3(4a)","status":"affected"},{"version":"4.2(3k)","status":"affected"},{"version":"4.3(4b)","status":"affected"},{"version":"4.3(4c)","status":"affected"},{"version":"4.2(3l)","status":"affected"},{"version":"4.3(4d)","status":"affected"},{"version":"4.3(2f)","status":"affected"},{"version":"4.2(3m)","status":"affected"},{"version":"4.3(5a)","status":"affected"},{"version":"4.3(4e)","status":"affected"},{"version":"4.1(3n)","status":"affected"},{"version":"4.3(4f)","status":"affected"},{"version":"4.2(3n)","status":"affected"},{"version":"4.3(5c)","status":"affected"},{"version":"4.2(3o)","status":"affected"},{"version":"4.3(5d)","status":"affected"},{"version":"4.3(6a)","status":"affected"},{"version":"4.3(6b)","status":"affected"},{"version":"4.3(5e)","status":"affected"},{"version":"4.3(6c)","status":"affected"},{"version":"4.2(3p)","status":"affected"},{"version":"4.3(6d)","status":"affected"},{"version":"4.3(6e)","status":"affected"},{"version":"4.3(6f)","status":"affected"},{"version":"4.2(3r)","status":"affected"},{"version":"4.3(6g)","status":"affected"},{"version":"4.3(6h)","status":"affected"},{"version":"4.2(3s)","status":"affected"},{"version":"4.3(6i)","status":"affected"}],"defaultStatus":"unknown"}],"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2026-10-07T16:15:35.076Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-76471"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-08T03:55:32.792Z"}}]}}