Improper Neutralization of Special Elements in Output Used by a Downstream Component in Cisco Secure Workload - CVE-2026-20231
Published: August 19, 2026
Vulnerability identifier: #VU144391
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20231
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to inject commands.
The vulnerability exists due to improper neutralization of special elements in Cisco Secure Workload when processing input. A remote attacker can send crafted input to inject commands.
Affected software
Cisco Secure Workload
How to mitigate CVE-2026-20231
Install security update from vendor's website.
Cisco Secure Workload - addressed in versions 3.10.9.1, 4.0.4.16