CVE-2026-76519
Relative Path Traversal in Cisco Secure Email Gateway. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 14 October 2026.
- Product
- Cisco Secure Email Gateway
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- No known use in ransomware campaigns
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
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.
More from Cisco this year.
- CVE-2026-76418 Unchecked Return Value to NULL Pointer Dereference, added
- CVE-2026-76504 Hex Encoding, added
- CVE-2026-76460 Incorrect Use of Privileged APIs, added
- CVE-2026-76461 SQL Injection, added
- CVE-2026-20079 Firewall Management Center Authentication Bypass Using an Alternate Path or Channel, added
- CVE-2026-20349 Heap Inspection, added
- CVE-2026-20316 Secure Firewall Management Center Use of Hard-coded Password, added
- CVE-2008-4128 Cross-Site Request Forgery, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.