CVE-2026-76494 Cisco Expressway Series - Command Injection

Cisco Expressway Series contains a code injection vulnerability caused by improper input validation, letting attackers execute arbitrary code, exploit requires crafted input.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
21 October 2026
Updated
22 October 2026
Weakness
CWE-94

Vendor fix

Update to the latest Cisco Expressway Series software version with security hardening.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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