Path Traversal in Cisco Secure Email
CVE-2026-76519
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Cisco Secure Email — versions 13.0.0-392, 13.0.5-007, 13.5.1-277
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-76519?
- CVE-2026-76519 is a critical-severity vulnerability in Cisco Secure Email, classified under Relative Path Traversal. CVSS score: 9.8/10. Published 2026-10-14.
- How severe is CVE-2026-76519?
- Critical severity. CVSS v3 base score is 9.8 out of 10.