---
id: CVE-2026-112049
title: Vita3K before build 4187 Path Traversal via VPK Package Installation
summary: >-
  Vita3K before build 4187 contains a path traversal (zip slip) vulnerability in
  install_archive_content() that allows attackers to write files outside the
  install directory via crafted .vpk archives. Attackers can embed '..' segments
  or a…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: Vita3K
product: Vita3K
affected:
  - Vita3K < 4187
published: '2026-10-18'
updated: '2026-10-18'
sourceUpdated: '2026-10-18T12:19:40.323Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112049'
references:
  - url: 'https://github.com/Vita3K/Vita3K/issues/4254'
  - url: >-
      https://github.com/Vita3K/Vita3K/commit/55f88cd17a78ce8af7d753c7c4eb2f709f7d6dbc
  - url: >-
      https://github.com/Vita3K/Vita3K/blob/f0273e4cd9b860ea77c44c73d9f5c5b1ed5fa8ab/vita3k/interface.cpp#L219-L234
  - url: >-
      https://www.vulncheck.com/advisories/vita3k-before-build-4187-path-traversal-via-vpk-package-installation
    label: >-
      VulnCheck Advisory: Vita3K before build 4187 Path Traversal via VPK
      Package Installation
tags:
  - cve.org
ingestedAt: '2026-10-18T12:41:54.062Z'
---

## Overview

Vita3K before build 4187 contains a path traversal (zip slip) vulnerability in install_archive_content() that allows attackers to write files outside the install directory via crafted .vpk archives. Attackers can embed '..' segments or absolute paths in zip entry names to write attacker-controlled files anywhere writable by Vita3K, potentially enabling host code execution.

## Affected

- `Vita3K < 4187`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.