High severity8.8NVD Advisory· Published Oct 20, 2026
CVE-2026-109443
CVE-2026-109443
Description
JoySafeter through 1.0.0 contains a remote code execution vulnerability that allows authenticated users to run operating system commands via an unsandboxed execute tool in Copilot standard mode. Attackers can self-register, select standard mode in the WebSocket chat.start extension, and have the agent invoke subprocess.run with shell=True on the host to access other tenants' data and server secrets.
Affected products
1- Range: <=1.0.0
Patches
Vulnerability mechanics
References
4- github.com/jd-opensource/JoySafeter/blob/12234a11a9d96acef85577afb1fa5682169d6171/backend/app/core/agent/backends/utils/command_executor.pynvd
- github.com/jd-opensource/JoySafeter/blob/12234a11a9d96acef85577afb1fa5682169d6171/backend/app/services/copilot_service.pynvd
- www.lasso.security/vulnerability-database/cve-2026-109443nvd
- www.vulncheck.com/advisories/joysafeter-through-1.0.0-authenticated-rce-via-copilot-standard-mode-shellnvd
News mentions
0No linked articles in our index yet.