{"id":"CVE-2026-18482","summary":"CVE-2026-18482","details":"Neo.mjs contains a command injection vulnerability within the FileSystemService.mjs component of the ai/mcp/server/file-system MCP server, where the checkSyntax() and runPlaywrightTest() functions unsafely interpolate caller-controlled absolutePath values into shell commands, enabling arbitrary OS command execution when an AI agent is induced to invoke these tools. Commit 88c77fc fixes these vulnerabilities.","modified":"2026-08-29T03:30:28.511036972Z","published":"2026-08-20T12:36:40.567Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"fixed":"88c77fc4"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"certcc","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18482.json"},"references":[{"type":"WEB","url":"https://novice-22.com/posts/neo-mjs/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18482.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18482"},{"type":"FIX","url":"https://github.com/neomjs/neo/commit/5acc564ea1b278bca5fab1f8f397a6ba9b849d75"},{"type":"FIX","url":"https://github.com/neomjs/neo/commit/88c77fc4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/neomjs/neo","events":[{"introduced":"0"},{"fixed":"5acc564ea1b278bca5fab1f8f397a6ba9b849d75"},{"fixed":"88c77fc4"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18482.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}