{"id":"CVE-2026-106073","revision":"a752ac3d3ee44d9e95185323d2831573","records":[{"revision":"a752ac3d3ee44d9e95185323d2831573","observedAt":"2026-10-23T17:48:20.538+00:00","statement":{"source":"cve-program","id":"CVE-2026-106073","aliases":[],"title":"A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync()` without the required read permission checks. This is an incomplete fix of CVE-2026-21715, which only covered `fs.realpathSync.native()`.","description":"A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync()` without the required read permission checks. This is an incomplete fix of CVE-2026-21715, which only covered `fs.realpathSync.native()`.\n\nAs a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories.\n\nThis vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.","state":0,"publishedAt":"2026-10-23T16:15:05.728+00:00","modifiedAt":"2026-10-23T16:15:05.728+00:00","affected":[{"ecosystem":"Vendor product","name":"node","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"vendor\": \"nodejs\",\n                    \"product\": \"node\",\n                    \"versions\": [\n                        {\n                            \"version\": \"22.23.3\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"22.23.3\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"24.22.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"24.22.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"26.12.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"26.12.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":3.3,"severity":"LOW"}],"references":["https://nodejs.org/en/blog/vulnerability/october-2026-security-releases"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-106073","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-106073","identifiers":["CVE-2026-106073"]},"retained":false,"historicalAffected":[]}],"coverage":[]}