CVE-2026-4092
Path traversal in Clasp <3.2.0 enables RCE via crafted Apps Script filenames.
Is CVE-2026-4092 being exploited?
Not confirmed. CVE-2026-4092 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.46% probability of exploitation in the next 30 days.
How severe is CVE-2026-4092?
CVE-2026-4092 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-4092?
Yes. A fix has been recorded for CVE-2026-4092. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-4092 affect?
CVE-2026-4092 affects Clasp CLI (Google Apps Script) <3.2.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-4092?
Upgrade to 3.2.0+; audit and restrict loading external Apps Script projects.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via directory traversal filenames in malicious Apps Script projects; enables code execution in Clasp workflows.
Patch when possible
- affected< 3.2.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.