CVE-2025-55130

CVE-2025-55130 is a critical-severity vulnerability in Nodejs Node.js with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-289.

Key facts

Description

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.

Frequently asked questions

What is CVE-2025-55130?
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.
How severe is CVE-2025-55130?
CVE-2025-55130 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-55130 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55130?
CVE-2025-55130 affects Nodejs Node.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55130?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-55130 have an EU (EUVD) identifier?
Yes. CVE-2025-55130 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3338.
When was CVE-2025-55130 published?
CVE-2025-55130 was published on 2026-01-20 and last updated on 2026-06-30.

References

Affected products (1)

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