CVE-2026-112302 kiwilan php-archive Extraction ArchiveZip.php extract path traversal

Medium 5.3 Published Updated

Remote attackers can exploit a path traversal vulnerability in the kiwilan php-archive library to read or modify arbitrary files on the server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-112302?

CVE-2026-112302 is a medium-severity path traversal vulnerability in kiwilan php-archive, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A weakness has been identified in kiwilan php-archive up to 2.3.02. This affects the function ArchiveZip::extract of the file src/Readers/ArchiveZip.php of the component Extraction. This manipulation causes path traversal. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-22

Which versions are affected by CVE-2026-112302?

How do I fix CVE-2026-112302?

No fix has been published for CVE-2026-112302 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-112302 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112302 exists.

Sources

Also known as GHSA-m3xg-f8vh-5p22.

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