What is CVE-2026-4092?

CVE-2026-4092 is a high-severity vulnerability in Google Clasp, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-03-13.

How severe is CVE-2026-4092?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2026-4092 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Google Clasp

CVE-2026-4092

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Clasp — versions < 3.2.0

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

g0w6y/CVE-2026-4092

References

cve-coordination@google.com (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-4092?: CVE-2026-4092 is a high-severity vulnerability in Google Clasp, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-03-13.
How severe is CVE-2026-4092?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-4092 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.