{"id":"CVE-2026-76465","aliases":["EUVD-2026-94457","GHSA-74h7-6gf3-j457"],"status":"published","title":"Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability","description":"A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code with\u0026nbsp;root privileges or cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper validation when an affected device is processing an MPLS echo-request packet. An attacker could exploit this vulnerability by sending a crafted MPLS echo-request to an IP address on an affected device. A successful exploit could allow the attacker to execute arbitrary code with\u0026nbsp;root privileges and could cause process crashes, which could result in a device reload 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":0.0046,"percentile":0.40149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-590"],"published":"2026-10-07T16:14:26Z","modified":"2026-10-08T20:08:45Z","products":[{"vendor":"cisco","product":"cisco nx-os software"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-moam-rce-uBTzYV7"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76465"},{"url":"https://github.com/advisories/GHSA-74h7-6gf3-j457"}],"sources":{"cve":[{"id":"CVE-2026-76465","title":"Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability","description":"A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code with\u0026nbsp;root privileges or cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper validation when an affected device is processing an MPLS echo-request packet. An attacker could exploit this vulnerability by sending a crafted MPLS echo-request to an IP address on an affected device. A successful exploit could allow the attacker to execute arbitrary code with\u0026nbsp;root privileges and could cause process crashes, which could result in a device reload and a DoS condition.","status":"published","published":"2026-10-07T16:14:26.107Z","modified":"2026-10-08T03:55:35.639Z","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-590"],"updated_at":"2026-11-02T13:46:21.568011Z"}],"euvd":[{"id":"EUVD-2026-94457","description":"A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code with\u0026nbsp;root privileges or cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper validation when an affected device is processing an MPLS echo-request packet. An attacker could exploit this vulnerability by sending a crafted MPLS echo-request to an IP address on an affected device. A successful exploit could allow the attacker to execute arbitrary code with\u0026nbsp;root privileges and could cause process crashes, which could result in a device reload and a DoS condition.","status":"published","published":"2026-10-07T16:14:26Z","modified":"2026-10-08T03:55:35Z","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-74h7-6gf3-j457","title":"A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX...","description":"A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code with\u0026nbsp;root privileges or cause a denial of service (DoS) condition on an affected device.\n\nThis vulnerability is due to improper validation when an affected device is processing an MPLS echo-request packet. An attacker could exploit this vulnerability by sending a crafted MPLS echo-request to an IP address on an affected device. A successful exploit could allow the attacker to execute arbitrary code with\u0026nbsp;root privileges and could cause process crashes, which could result in a device reload 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-590"],"updated_at":"2026-11-02T15:12:55.347665Z"}],"nvd":[{"id":"CVE-2026-76465","description":"A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code with\u0026nbsp;root privileges or cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper validation when an affected device is processing an MPLS echo-request packet. An attacker could exploit this vulnerability by sending a crafted MPLS echo-request to an IP address on an affected device. A successful exploit could allow the attacker to execute arbitrary code with\u0026nbsp;root privileges and could cause process crashes, which could result in a device reload and a DoS condition.","status":"published","published":"2026-10-07T17:16:59.35Z","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-590"],"updated_at":"2026-11-02T14:12:54.809359Z"}]}}