{"id":"CVE-2026-108600","revision":"6411b572ed9b4aba859924538c1c8100","records":[{"revision":"6411b572ed9b4aba859924538c1c8100","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108600","aliases":[],"title":"open-multi-agent 1.5.0 through 1.21.2 Sandbox Escape via file_write Dangling Symlink","description":"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 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.","state":0,"publishedAt":"2026-10-10T18:58:16.432+00:00","modifiedAt":"2026-10-13T18:54:52.634+00:00","affected":[{"ecosystem":"https://www.npmjs.com","name":"open-multi-agent","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"open-multi-agent\",\n                    \"product\": \"open-multi-agent\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.5.0\",\n                            \"lessThanOrEqual\": \"1.21.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:npm/%40open-multi-agent/core\",\n                    \"collectionURL\": \"https://www.npmjs.com\",\n                    \"repo\": \"https://github.com/open-multi-agent/open-multi-agent\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":5.7,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","score":4.7,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind/open-multi-agent-file-write-dangling-symlink-escape","https://github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f927c/packages/core/src/tool/built-in/path-safety.ts#L104-L113","https://github.com/open-multi-agent/open-multi-agent/blob/6ec5498643c7e431aa66751f17f47a529e7f927c/packages/core/src/tool/built-in/file-write.ts#L67","https://github.com/open-multi-agent/open-multi-agent","https://www.vulncheck.com/advisories/open-multi-agent-1.5.0-through-1.21.2-sandbox-escape-via-file-write-dangling-symlink"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108600","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108600","identifiers":["CVE-2026-108600"]},"retained":false,"historicalAffected":[]}],"coverage":[]}