CVE-2026-48935
Node.js Permission API File Metadata Modification Vulnerability
Description
A flaw in Node.js Permission API can cause a file metadata to be modified even on a path that was set as read-only with e.g. `--allow-fs-read`. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
INFO
Published Date :
June 26, 2026, 2:16 a.m.
Last Modified :
June 26, 2026, 8:14 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.0 | LOW | [email protected] |
Solution
- Update Node.js to a new version.
- Apply security patches for Node.js.
- Verify file system permissions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-48935.
| URL | Resource |
|---|---|
| https://nodejs.org/en/blog/vulnerability/june-2026-security-releases | Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-48935 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-48935
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-48935 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-48935 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:* *cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:* *cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:* Added Reference Type HackerOne: https://nodejs.org/en/blog/vulnerability/june-2026-security-releases Types: Patch, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 26, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-48935', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-26T15:04:33.702023Z'} -
New CVE Received by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'nodejs', 'product': 'node', 'versions': [{'status': 'affected', 'version': '22.22.3', 'versionType': 'semver', 'lessThanOrEqual': '22.22.3'}, {'status': 'affected', 'version': '24.16.0', 'versionType': 'semver', 'lessThanOrEqual': '24.16.0'}, {'status': 'affected', 'version': '26.3.0', 'versionType': 'semver', 'lessThanOrEqual': '26.3.0'}], 'defaultStatus': 'unaffected'}] Added Description A flaw in Node.js Permission API can cause a file metadata to be modified even on a path that was set as read-only with e.g. `--allow-fs-read`. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**. Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Added CWE CWE-276 Added Reference https://nodejs.org/en/blog/vulnerability/june-2026-security-releases