Path Traversal Vulnerability in Ne-Lexa php-zip ZIP Handler
CVE-2026-16767

6.9MEDIUM

Key Information:

Vendor

Ne-lexa

Status
PHP-zip
Vendor
CVE Published:
23 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16767?

A vulnerability has been identified in Ne-Lexa's php-zip library versions up to 4.0.2. It occurs within the ZipFile::extractTo function located in src/ZipFile.php, where inadequate validation of the entryName argument allows for malicious path traversal attacks. This vulnerability can be exploited remotely, enabling attackers to access unauthorized files on the server. The issue was reported to the project maintainers, but no response has been documented to date. Users of affected versions are advised to take preventive measures.

Affected Version(s)

php-zip 4.0.0

php-zip 4.0.1

php-zip 4.0.2

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-2026-16767 - Proof of Concept

References

https://vuldb.com/vuln/382660
vdb-entrytechnical-description
https://vuldb.com/vuln/382660/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16767
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
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
.