CVE-2025-55130A flaw in Node.js’s Permissions model allows attackers to bypass `--allow-fs-read` and `--allow-fs-write` restrictions using crafted relative symlink paths.
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A flaw in Node.js’s Permissions model allows attackers to bypass `--allow-fs-read` and `--allow-fs-write` restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files. This breaks the expected isolation guarantees and enables arbitrary file read/write, leading to potential system compromise. This vulnerability affects users of the permission model on Node.js v20, v22, v24, and v25.
- CVSS
- 9.1 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-289, CWE-281
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
nodejs node.js nodejs:node.js | from 20.0.0 before 20.20.0; from 22.0.0 before 22.22.0; from 24.0.0 before 24.13.0; from 25.0.0 before 25.3.0 | NVD |
References
- https://nodejs.org/en/blog/vulnerability/december-2025-security-releasesrelease-notes, vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:1842
- https://access.redhat.com/errata/RHSA-2026:1843
- https://access.redhat.com/errata/RHSA-2026:2420
- https://access.redhat.com/errata/RHSA-2026:2421
- https://access.redhat.com/errata/RHSA-2026:2422
- https://access.redhat.com/errata/RHSA-2026:2767
- https://access.redhat.com/errata/RHSA-2026:2768
- https://access.redhat.com/errata/RHSA-2026:2781
- https://access.redhat.com/errata/RHSA-2026:2782
- https://access.redhat.com/errata/RHSA-2026:2783
- https://access.redhat.com/errata/RHSA-2026:2864
- https://access.redhat.com/errata/RHSA-2026:2899
- https://access.redhat.com/errata/RHSA-2026:6402
- https://access.redhat.com/errata/RHSA-2026:6431
- https://access.redhat.com/errata/RHSA-2026:7386
- https://access.redhat.com/errata/RHSA-2026:7387
- https://access.redhat.com/security/cve/CVE-2025-55130
- https://bugzilla.redhat.com/show_bug.cgi?id=2431352
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-55130.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.