CVE-2026-41193

CRITICAL 9.1

FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP. Version 1.8.215 fixes the vulnerability.

CWE	CWE-22
Vendor	freescout-help-desk
Product	freescout
Published	Apr 21, 2026
Last Updated	Apr 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

freescout-help-desk / freescout

< 1.8.215

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-r85m-5mc9-cc9w github.com: https://github.com/freescout-help-desk/freescout/commit/14f17a5cd22d217103a72b431b47b1f06996227b github.com: https://github.com/freescout-help-desk/freescout/releases/tag/1.8.215