{"id":"CVE-2026-108600","title":"open-multi-agent (@open-multi-agent/core) 1.5.0 through 1.21.2 contains a link following vulnerability in the file_write tool sandbox that allows attackers to create files outside the workspace root by using dangling symlinks","summary":"open-multi-agent (@open-multi-agent/core) 1.5.0 through 1.21.2 contains a link following vulnerability in the file_write tool sandbox that allows attackers to create files outside the workspace root by using dangling symlinks. Attackers …","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","cwe":["CWE-59"],"published":"2026-10-10","updated":"2026-10-10","sourceUpdated":"2026-10-10T19:16:58.640","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108600","references":[{"url":"https://github.com/open-multi-agent/open-multi-agent","label":"disclosure@vulncheck.com"},{"url":"https://github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f927c/packages/core/src/tool/built-in/file-write.ts#L67","label":"disclosure@vulncheck.com"},{"url":"https://github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f927c/packages/core/src/tool/built-in/path-safety.ts#L104-L113","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/open-multi-agent-file-write-dangling-symlink-escape","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/open-multi-agent-1.5.0-through-1.21.2-sandbox-escape-via-file-write-dangling-symlink","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-10T19:30:07.156Z","slug":"CVE-2026-108600","body":"## Overview\n\nopen-multi-agent (@open-multi-agent/core) 1.5.0 through 1.21.2 contains a link following vulnerability in the file_write tool sandbox that allows attackers to create files outside the workspace root by using dangling symlinks. Attackers can plant a dangling symlink in the workspace and steer the agent via prompt injection to write attacker-influenced content anywhere the agent process can write.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}