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Critical

Cisco Secure Email Gateway Arbitrary File Write Vulnerability

Type: advisorySource: Official CVE ListKnown exploited1 source record

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. This 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.

Announced Source revision 1
Original source ↗

CVE-2026-76519

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-76519

Cisco Secure Email

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Cisco",
    "product": "Cisco Secure Email",
    "versions": [
      {
        "status": "affected",
        "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"
      }
    ],
    "defaultStatus": "unknown"
  }
]
Related CVEs
CVE-2026-76519

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-76519 · Unrated

Secure Email Gateway · Known exploited (CISA KEV)

Event
#28570 · Revision 1
Added to Heist Feed
Publisher date
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