Path Traversal Vulnerability in Kiwilan PHP-Archive Extraction Component
CVE-2026-112302

5.3MEDIUM

Key Information:

Vendor

Kiwilan

Status
PHP-archive
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112302?

A security vulnerability exists in the Kiwilan PHP-Archive library, specifically within the ArchiveZip::extract function located in src/Readers/ArchiveZip.php. This weakness facilitates a path traversal attack, allowing remote attackers to manipulate file paths and access sensitive files outside the intended directories. The exploit has been publicly disclosed, emphasizing the urgency for users to assess their installations of the affected versions. Despite early notification, the vendor has not provided any response regarding mitigation or patches.

Affected Version(s)

php-archive 2.3.02

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-2026-112302 - Proof of Concept

References

https://vuldb.com/vuln/422348
vdb-entrytechnical-description
https://vuldb.com/vuln/422348/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112302
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

0xSebin (VulDB User)
VulDB CNA Team
.