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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Google Clasp — versions < 3.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/google/clasp/pull/1109 (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.