{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106073","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","state":"PUBLISHED","assignerShortName":"hackerone","dateReserved":"2026-10-06T15:00:00.655Z","datePublished":"2026-10-23T16:15:05.728Z","dateUpdated":"2026-10-23T16:15:05.728Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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**."}],"affected":[{"defaultStatus":"unaffected","vendor":"nodejs","product":"node","versions":[{"version":"22.23.3","status":"affected","lessThanOrEqual":"22.23.3","versionType":"semver"},{"version":"24.22.0","status":"affected","lessThanOrEqual":"24.22.0","versionType":"semver"},{"version":"26.12.0","status":"affected","lessThanOrEqual":"26.12.0","versionType":"semver"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/october-2026-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":3.3,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-284","description":"CWE-284 Improper Access Control - Generic"}]}],"providerMetadata":{"orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","shortName":"hackerone","dateUpdated":"2026-10-23T16:15:05.728Z"}}}}