CVE-2026-76440

Cisco Secure Email Gateway Security Hardening Release

CVSS 3.1 9.8 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-76440

Published

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. The vulnerabilities tracked by CVE-2026-76440 are related to path traversal issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-23.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-76440

Published

Cisco Secure Email

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "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"
                }

Cisco Secure Email and Web Manager

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "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"
                }

Original source record · Cite this exact observation · Complete original publisher JSON