What is CVE-2026-20318?

CVE-2026-20318 is a critical-severity vulnerability in Cisco Secure Workload, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-08-19.

How severe is CVE-2026-20318?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Improper input validation in Cisco Secure Workload

CVE-2026-20318

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20318 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

Affected products

Cisco Secure Workload — versions 1.102.21, 1.103.1.12, 2.0.1.34

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

Frequently asked questions

What is CVE-2026-20318?: CVE-2026-20318 is a critical-severity vulnerability in Cisco Secure Workload, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-08-19.
How severe is CVE-2026-20318?: Critical severity. CVSS v3 base score is 9.6 out of 10.