Quick answers
- Is CVE-2026-20315 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20315 being exploited in the wild.
- How severe is CVE-2026-20315?
- Critical severity, with a CVSS score of 10, published 19 August 2026.
- Which products and versions are affected?
- Cisco Secure Workload 3.10 and earlier, 4.0 before 4.0.4.16.
- Is there a fix for CVE-2026-20315?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-20315 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-20315?
- Check whether you run Cisco Secure Workload at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
CVE-2026-20315 represents improper access control vulnerabilities (CWE-284) identified in Cisco Secure Workload during an internal security review. The vulnerabilities impact both SaaS and on-premises deployments and do not require user interaction or authentication. An unauthenticated remote attacker can leverage these access control flaws to bypass authorization mechanisms and gain unauthorized access to the Cluster, Agent, and Connector components. Patches are available: upgrade to Secure Workload 3.10.9.1 or later for the 3.x branch, or 4.0.4.16 or later for the 4.x branch. No workarounds are available.
Affected products
- Cisco Secure Workload 3.10 and earlier, 4.0 before 4.0.4.16
Timeline
- 2026-08-19: disclosed