Path Traversal Vulnerability in ZJONSSON Node-Unzipper Library
CVE-2026-17514

4.8MEDIUM

Key Information:

Vendor

Zjonsson

Status
Node-unzipper
Vendor
CVE Published:
27 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-17514?

A path traversal vulnerability has been identified in the ZJONSSON node-unzipper library, specifically in the Extract function of lib/extract.js. This flaw allows attackers with local access to manipulate file paths during extraction processes, potentially leading to unauthorized file access. Although the issue was reported to the developers, no response has been made regarding remediation. Users of affected versions should take immediate precautions to mitigate potential exploits.

Affected Version(s)

node-unzipper 0.12.0

node-unzipper 0.12.1

node-unzipper 0.12.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-17514 - Proof of Concept

References

https://vuldb.com/vuln/383384
vdb-entrytechnical-description
https://vuldb.com/vuln/383384/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-17514
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

zyhhoward (VulDB User)
VulDB CNA Team
.