CVE-2026-20317 Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Authentication Vulnerabilities
Attackers can bypass authentication in Cisco Secure Workload due to improper authentication flaws, requiring a security hardening patch.
- 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-2026-20317?
CVE-2026-20317 is a critical authentication bypass 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-2026-20317 are related to improper authentication issues that are grouped under the Common Weakness Enumeration (CWE) CWE-287.
Weakness: CWE-287
Which versions are affected by CVE-2026-20317?
How do I fix CVE-2026-20317?
No fix has been published for CVE-2026-20317 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-20317 being exploited?
There is no known exploitation of CVE-2026-20317 in the wild and no public exploit code.
Sources
Also known as GHSA-vpw3-87c9-76xj.