{"id":"CVE-2026-76519","state":"PUBLISHED","title":"Cisco Secure Email Gateway Arbitrary File Write Vulnerability","description":"A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.\r\n\r\nThis vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system.","publishedAt":"2026-10-14T16:07:51.466Z","updatedAt":"2026-10-15T03:56:57.762Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Secure Email"],"affected":[{"vendor":"Cisco","product":"Cisco Secure Email","defaultStatus":"unknown","versions":[{"version":"14.0.0-698","status":"affected"},{"version":"13.5.1-277","status":"affected"},{"version":"13.0.0-392","status":"affected"},{"version":"14.2.0-620","status":"affected"},{"version":"13.0.5-007","status":"affected"},{"version":"13.5.4-038","status":"affected"},{"version":"14.2.1-020","status":"affected"},{"version":"14.3.0-032","status":"affected"},{"version":"15.0.0-104","status":"affected"},{"version":"15.0.1-030","status":"affected"},{"version":"15.5.0-048","status":"affected"},{"version":"15.5.1-055","status":"affected"},{"version":"15.5.2-018","status":"affected"},{"version":"16.0.0-050","status":"affected"},{"version":"15.0.3-002","status":"affected"},{"version":"16.0.0-054","status":"affected"},{"version":"15.5.3-022","status":"affected"},{"version":"16.0.1-017","status":"affected"},{"version":"15.5.4-012","status":"affected"},{"version":"16.0.4-016","status":"affected"},{"version":"15.0.5-016","status":"affected"},{"version":"16.0.2-112","status":"affected"},{"version":"16.0.3-044","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76519"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76519.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76519","state":"PUBLISHED","datePublished":"2026-10-14T16:07:51.466Z","dateUpdated":"2026-10-15T03:56:57.762Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2026-08-19T12:02:03.642Z"},"containers":{"cna":{"title":"Cisco Secure Email Gateway Arbitrary File Write Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.\r\n\r\nThis vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system."}],"affected":[{"vendor":"Cisco","product":"Cisco Secure Email","defaultStatus":"unknown","versions":[{"version":"14.0.0-698","status":"affected"},{"version":"13.5.1-277","status":"affected"},{"version":"13.0.0-392","status":"affected"},{"version":"14.2.0-620","status":"affected"},{"version":"13.0.5-007","status":"affected"},{"version":"13.5.4-038","status":"affected"},{"version":"14.2.1-020","status":"affected"},{"version":"14.3.0-032","status":"affected"},{"version":"15.0.0-104","status":"affected"},{"version":"15.0.1-030","status":"affected"},{"version":"15.5.0-048","status":"affected"},{"version":"15.5.1-055","status":"affected"},{"version":"15.5.2-018","status":"affected"},{"version":"16.0.0-050","status":"affected"},{"version":"15.0.3-002","status":"affected"},{"version":"16.0.0-054","status":"affected"},{"version":"15.5.3-022","status":"affected"},{"version":"16.0.1-017","status":"affected"},{"version":"15.5.4-012","status":"affected"},{"version":"16.0.4-016","status":"affected"},{"version":"15.0.5-016","status":"affected"},{"version":"16.0.2-112","status":"affected"},{"version":"16.0.3-044","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp","name":"cisco-sa-esa-afw-zqYJkjxp"}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"Relative Path Traversal","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-10-14T16:07:51.466Z"},"exploits":[{"lang":"en","value":"In October 2026, the Cisco PSIRT became aware of active exploitation of this vulnerability."}],"source":{"advisory":"cisco-sa-esa-afw-zqYJkjxp","discovery":"INTERNAL","defects":["CSCwu56223"]}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76519","tags":["government-resource"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T00:00:00+00:00","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-76519"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-10-14","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76519"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T03:56:57.762Z"},"timeline":[{"time":"2026-10-14T00:00:00.000Z","lang":"en","value":"CVE-2026-76519 added to CISA KEV"}]}]}}}