What is CVE-2026-20319?

CVE-2026-20319 is a high-severity vulnerability in Cisco Secure Workload, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2026-08-19.

How severe is CVE-2026-20319?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Cisco Secure Workload

CVE-2026-20319

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-2026-20319 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Secure Workload — versions 1.102.21, 1.103.1.12, 2.0.1.34

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Frequently asked questions

What is CVE-2026-20319?: CVE-2026-20319 is a high-severity vulnerability in Cisco Secure Workload, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2026-08-19.
How severe is CVE-2026-20319?: High severity. CVSS v3 base score is 7.5 out of 10.