Vulnerability · Published Feb 27, 2026 · Assigned by Google
CVE-2026-3223Zip Slip leading to Arbitrary File Write and Privilege Escalation in Google Web Designer
High 8.4
In plain English
A high-severity path traversal in Web Designer from Google. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.2%top 95.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Arbitrary file write & potential privilege escalation exploiting zip slip vulnerability in Google Web Designer.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Web Designer | 0 – before 14.2.2.0 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N