CVE-2026-4092

Arbitrary File Write via Path Traversal in Google clasp leading to RCE

State: Published
Severity: 8.7 High
Published: Mar 13, 2026
Updated: Mar 16, 2026
Reserved: Mar 12, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	Google

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
ClaspGoogle	< 3.2.0Affected

References

https://github.com/google/clasp/pull/1109

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