CVE-2026-20319 Cisco Secure Workload Software Security Hardening Release August 2026 - Buffer Management Vulnerabilities
Buffer management flaws in Cisco Secure Workload allow attackers to potentially execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20319?
CVE-2026-20319 is a high-severity memory corruption vulnerability in Cisco Secure Workload, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-119
Which versions are affected by CVE-2026-20319?
How do I fix CVE-2026-20319?
No fix has been published for CVE-2026-20319 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-20319 being exploited?
There is no known exploitation of CVE-2026-20319 in the wild and no public exploit code.
Sources
Also known as GHSA-gx2h-r97c-m9pv.