CVE-2025-55130
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | nodejs |
| Product | node |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 20, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Affected Versions
nodejs / node
20.19.6 ≤ 20.19.6 22.21.1 ≤ 22.21.1 24.12.0 ≤ 24.12.0 25.2.1 ≤ 25.2.1
References
nodejs.org: https://nodejs.org/en/blog/vulnerability/december-2025-security-releases access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-55130 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2431352 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-55130.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2899 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:1843 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:1842 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2422 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2421 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2420 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2768 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2767 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2864 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2783 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2782 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:2781 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7386 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7387 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:6402 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:6431