# CVE-2026-76519: Cisco email security gateways let attackers write files

Status: Being used now (CISA KEV, added 2026-10-14)
Who: Organizations that filter email with a Cisco Secure Email Gateway.
Do this: Apply Cisco's security update for Secure Email Gateway.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Cisco Secure Email Gateway (CVE-2026-76519) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-76519. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official 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.

## Sources
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp
- https://nvd.nist.gov/vuln/detail/CVE-2026-76519
- https://nvd.nist.gov/vuln/detail/CVE-2026-76519

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.