Path traversal in zip4j
Priority MEDIUM 43CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
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'.
Why it matters now
EPSS 0.12642 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed zip4j (zip4j): 1.3.3net.lingala.zip4j:zip4j (Maven): 1.3.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| zip4j | zip4j | before 1.3.3 | 1.3.3 | Patch available | CNA |
| — | net.lingala.zip4j:zip4j (Maven) | before 1.3.3 | 1.3.3 | Patch available | GHSA-2rpm-4x8c-pvqg |
- zip4j Vendorzip4j Affected before 1.3.3 Fixed in 1.3.3 Patch available CNA
- net.lingala.zip4j:zip4j (Maven) Vendor— Affected before 1.3.3 Fixed in 1.3.3 Patch available GHSA-2rpm-4x8c-pvqg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zip4j_project:zip4j:*:*:*:*:*:*:*:* | before 1.3.3 | Vulnerable | Zip4j Project |
- cpe:2.3:a:zip4j_project:zip4j:*:*:*:*:*:*:*:* Versions before 1.3.3 Vulnerable ·Zip4j Project
Remediation
- Fix · CNA zip4j (zip4j) Fixed in 1.3.3
- Fix · GHSA-2rpm-4x8c-pvqg net.lingala.zip4j:zip4j (Maven) Fixed in 1.3.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 2 products
- JBoss Developer Studio 11
- Red Hat JBoss Data Virtualization 6
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1002202
- 2026-10-03 Alias added: GHSA-2rpm-4x8c-pvqg
References
More Zip4j Project Zip4j vulnerabilities
- TI-2023-09041 Zip4j through 2.11.2, as used in Threema and other products, does not always check the… CVSS 3.1MEDIUM 5.9
- TI-2022-08457 zip4j up to v2.10.0 can throw various uncaught exceptions while parsing a specially… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2018-1002202 · CVE Program
- CVE-2018-1002202 · NVD
- FIRST EPSS
- GHSA-2rpm-4x8c-pvqg · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1002202 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences