CVE-2018-1002202: ZIP4J Project ZIP4J

Medium severity, CVSS 6.5. EPSS: 12.6% chance of exploitation in the next 30 days.

zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

Affected products

• ZIP4J Project ZIP4J: before 1.3.3 (fixed in 1.3.3)

Published 2018-07-25. Last modified 2026-06-17.