{"affected":[{"defaultStatus":"unaffected","product":"node","source":"CNA: hackerone","vendor":"nodejs","versions":[{"lessThanOrEqual":"22.23.3","status":"affected","version":"22.23.3","versionType":"semver"},{"lessThanOrEqual":"24.22.0","status":"affected","version":"24.22.0","versionType":"semver"},{"lessThanOrEqual":"26.12.0","status":"affected","version":"26.12.0","versionType":"semver"}]}],"cveId":"CVE-2026-106073","cwes":["CWE-284"],"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**.","epss":{"date":"2026-11-02","percentile":0.16906,"score":0.00254},"exploits":[],"kev":null,"metrics":[{"score":3.3,"severity":"low","source":"CNA: hackerone","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.0"},{"score":3.3,"severity":"low","source":"NVD: support@hackerone.com","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.0"}],"modifiedAt":1793636245350,"publishedAt":1792772105728,"references":[{"source":"CNA: hackerone","tags":[],"url":"https://nodejs.org/en/blog/vulnerability/october-2026-security-releases"},{"source":"support@hackerone.com","tags":[],"url":"https://nodejs.org/en/blog/vulnerability/october-2026-security-releases"}],"remediation":[],"revision":"2e2d733570791eb2e539de059b9d9c1158db9facdcd6db70084db34adcc2d29f","sources":[{"modifiedAt":1793633513217,"name":"CNA: hackerone","retrievedAt":1793635709909,"url":"https://www.cve.org/CVERecord?id=CVE-2026-106073"},{"modifiedAt":1793636245350,"name":"NVD","retrievedAt":1793643425337,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106073"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793635726749,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-106073"}],"ssvc":{"assessedAt":1793633446582,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-106073","updatedAt":1793643425337}