{"id":"CVE-2026-109443","title":"JoySafeter through 1.0.0 Authenticated RCE via Copilot Standard Mode Shell","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 mode. Attackers can self-register, select standa…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-653"],"vendor":"jd-opensource","product":"JoySafeter","affected":["JoySafeter <= 1.0.0"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T00:46:07.343Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109443","references":[{"url":"https://www.lasso.security/vulnerability-database/cve-2026-109443","label":"Lasso.security Advisory"},{"url":"https://github.com/jd-opensource/JoySafeter/blob/12234a11a9d96acef85577afb1fa5682169d6171/backend/app/core/agent/backends/utils/command_executor.py#L110"},{"url":"https://github.com/jd-opensource/JoySafeter/blob/12234a11a9d96acef85577afb1fa5682169d6171/backend/app/services/copilot_service.py#L106"},{"url":"https://www.vulncheck.com/advisories/joysafeter-through-1.0.0-authenticated-rce-via-copilot-standard-mode-shell","label":"VulnCheck Advisory: JoySafeter through 1.0.0 Authenticated RCE via Copilot Standard Mode Shell"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T01:49:42.626Z","slug":"CVE-2026-109443","body":"## Overview\n\nJoySafeter 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.\n\n## Affected\n\n- `JoySafeter <= 1.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}