{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-76440", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2026-08-19T12:02:03.635Z", "datePublished": "2026-09-14T16:08:50.075Z", "dateUpdated": "2026-09-15T17:03:57.728Z" }, "containers": { "cna": { "title": "Cisco Secure Email Gateway Security Hardening Release", "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": "As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-76440 are related to path traversal issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-23." } ], "references": [ { "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-esa-dfCrfXkm", "name": "cisco-sa-hardening-esa-dfCrfXkm" } ], "exploits": [ { "lang": "en", "value": "Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory." } ], "source": { "advisory": "cisco-sa-hardening-esa-dfCrfXkm", "discovery": "INTERNAL", "defects": [ "CSCwu56221" ] }, "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Relative Path Traversal", "type": "cwe", "cweId": "CWE-23" } ] } ], "affected": [ { "vendor": "Cisco", "product": "Cisco Secure Email", "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" }, { "version": "15.5.5-014", "status": "affected" } ], "defaultStatus": "unknown" }, { "vendor": "Cisco", "product": "Cisco Secure Email and Web Manager", "versions": [ { "version": "13.6.2-023", "status": "affected" }, { "version": "13.6.2-078", "status": "affected" }, { "version": "13.0.0-249", "status": "affected" }, { "version": "13.0.0-277", "status": "affected" }, { "version": "13.8.1-052", "status": "affected" }, { "version": "13.8.1-068", "status": "affected" }, { "version": "13.8.1-074", "status": "affected" }, { "version": "14.0.0-404", "status": "affected" }, { "version": "12.8.1-002", "status": "affected" }, { "version": "14.1.0-227", "status": "affected" }, { "version": "13.6.1-201", "status": "affected" }, { "version": "14.2.0-203", "status": "affected" }, { "version": "14.2.0-212", "status": "affected" }, { "version": "12.8.1-021", "status": "affected" }, { "version": "13.8.1-108", "status": "affected" }, { "version": "14.2.0-224", "status": "affected" }, { "version": "14.3.0-120", "status": "affected" }, { "version": "15.0.0-334", "status": "affected" }, { "version": "15.5.1-024", "status": "affected" }, { "version": "15.5.1-029", "status": "affected" }, { "version": "15.5.2-005", "status": "affected" }, { "version": "16.0.0-195", "status": "affected" }, { "version": "15.5.3-017", "status": "affected" }, { "version": "16.0.1-010", "status": "affected" }, { "version": "15.0.1-035", "status": "affected" }, { "version": "16.0.2-088", "status": "affected" }, { "version": "15.5.4-007", "status": "affected" }, { "version": "15.0.2-007", "status": "affected" }, { "version": "16.0.4-010", "status": "affected" }, { "version": "16.0.3-016", "status": "affected" }, { "version": "16.5.0-429", "status": "affected" }, { "version": "15.5.5-006", "status": "affected" } ], "defaultStatus": "unknown" } ], "providerMetadata": { "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-09-14T16:08:50.075Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-14T00:00:00+00:00", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-76440" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-15T03:56:08.458Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-09-15T17:03:57.728Z" }, "descriptions": [ { "lang": "en", "value": "The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE's \"one vulnerability, one ID\" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program's blog, \"Preserving Vulnerability-Level Identification\" linked below. Details within the CNA container below are viewable by clicking on the CNA name." } ], "tags": [ "x_bundling-flagged-by-CVE-Program" ], "references": [ { "url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification" } ] } ] } }