CVE Explorer
CVE-2026-21715
A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce them.
As a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync.native()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories.
This vulnerability affects **20.x, 22.x, 24.x, and 25.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"node","vendor":"nodejs","versions":[{"lessThanOrEqual":"20.20.1","status":"affected","version":"20.20.1","versionType":"semver"},{"lessThanOrEqual":"22.22.1","status":"affected","version":"22.22.1","versionType":"semver"},{"lessThanOrEqual":"24.14.0","status":"affected","version":"24.14.0","versionType":"semver"},{"lessThanOrEqual":"25.8.1","status":"affected","version":"25.8.1","versionType":"semver"},{"lessThan":"4.*","status":"affected","version":"4.0","versionType":"semver"},{"lessThan":"5.*","status":"affected","version":"5.0","versionType":"semver…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:125ce9497f6dcf4f96bbc844cc099c34e73e6c374c138d60689ee7ab70552af9 · sha256:11589a5e95d02b85… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":3.3,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.0"},"metric_type":"cvssV3_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:125ce9497f6dcf4f96bbc844cc099c34e73e6c374c138d60689ee7ab70552af9 · sha256:11589a5e95d02b85… · /containers/cna/metrics/0/cvssV3_0
CWE assertions
1 source assertion{"cweId":"CWE-732","description":"CWE-732 Incorrect Permission Assignment for Critical Resource","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:125ce9497f6dcf4f96bbc844cc099c34e73e6c374c138d60689ee7ab70552af9 · sha256:11589a5e95d02b85… · /containers/adp/0/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://nodejs.org/en/blog/vulnerability/march-2026-security-releases"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:125ce9497f6dcf4f96bbc844cc099c34e73e6c374c138d60689ee7ab70552af9 · sha256:11589a5e95d02b85… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.