---
id: CVE-2026-105050
title: >-
  PeaZip before 11.3.0, in a non-default configuration, is vulnerable to OS
  command injection via a filename in an archive because "quotation character
  already used in the string" is mishandled.
summary: >-
  PeaZip before 11.3.0, in a non-default configuration, is vulnerable to OS
  command injection via a filename in an archive because "quotation character
  already used in the string" is mishandled.
severity: high
cvss: 7.1
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-180
vendor: PeaZip
product: PeaZip
affected:
  - PeaZip < 11.3.0
published: '2026-10-02'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T23:16:58.093'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105050'
references:
  - url: 'https://app.secur0.com/certificate/ys3yqg-avrwaq-5ybnwl'
    label: cve@mitre.org
  - url: >-
      https://github.com/peazip/PeaZip/commit/009fc35530e26729863969eddf4c18f1b48331cf
    label: cve@mitre.org
  - url: 'https://github.com/peazip/PeaZip/releases/tag/11.3.0'
    label: cve@mitre.org
  - url: 'https://github.com/peazip/PeaZip/tree/sources/peazip-sources'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-02T23:34:57.387Z'
---

## Overview

PeaZip before 11.3.0, in a non-default configuration, is vulnerable to OS command injection via a filename in an archive because "quotation character already used in the string" is mishandled.

## Remediation

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