Google Clasp <3.2.0 Path Traversal RCE via Malicious Apps Script
CVE-2026-4092 Published on March 13, 2026

Arbitrary File Write via Path Traversal in Google clasp leading to RCE
Path Traversal in Clasp impacting versions < 3.2.0 allows a remote attacker to perform remote code execution via a malicious Google Apps Script project containing specially crafted filenames with directory traversal sequences.

Github Repository NVD

Weakness Type

What is a Directory traversal Vulnerability?

The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CVE-2026-4092 has been classified to as a Directory traversal vulnerability or weakness.


Affected Versions

Google Clasp Version < 3.2.0 is affected by CVE-2026-4092

Vulnerable Packages

The following package name and versions may be associated with CVE-2026-4092

Package Manager Vulnerable Package Versions Fixed In
npm @google/clasp < 3.2.0 3.2.0

Exploit Probability

EPSS
1.03%
Percentile
77.23%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.