{"id":"CVE-2026-109443","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-109443","summary":"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…","details":"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.","published":"2026-10-20T01:17:10.527","modified":"2026-10-20T01:17:10.527","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/jd-opensource/JoySafeter/blob/12234a11a9d96acef85577afb1fa5682169d6171/backend/app/core/agent/backends/utils/command_executor.py#L110"},{"type":"WEB","url":"https://github.com/jd-opensource/JoySafeter/blob/12234a11a9d96acef85577afb1fa5682169d6171/backend/app/services/copilot_service.py#L106"},{"type":"WEB","url":"https://www.lasso.security/vulnerability-database/cve-2026-109443"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/joysafeter-through-1.0.0-authenticated-rce-via-copilot-standard-mode-shell"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T01:17:10.527"}}