CVE-2026-76519CISA KEV

Cisco Secure Email Gateway Relative Path Traversal Vulnerability

CISA lists this Cisco Secure Email Gateway vulnerability as known exploited. Check the cited references and original publisher guidance for affected products and remediation.

CISA KEV CISA-cited reference NVD

CISA catalog record

Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.

Product: Secure Email Gateway
Added to KEV: 14 Oct 2026
Federal remediation due: 17 Oct 2026
Known ransomware use: Not reported

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version

Field-level log (4)

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29 Oct 2026 · 20:19:26 UTC Link: Vendor advisoryhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp → No longer listed in this observation
29 Oct 2026 · 20:19:26 UTC Link: CISA-cited referencehttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp
23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-76519. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-76519

Published

Cisco Secure Email

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

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