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Vulnerability record · CVE-2026-41189 · published 21 April 2026

CVE-2026-41189: Incorrect authorization vulnerability

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, customer-thread editing is authorized through `ThreadPolicy::edit()`, which checks mailbox access but does not apply the assigned-only restriction from `ConversationPolicy`. A user who cannot view a conversation can still load and edit customer-authored threads inside it. Version 1.8.215 fixes the vulnerability.

7.1 CVSS 3.1 High EPSS 0.34% · top 75.1% CWE-863 · Incorrect authorization Deferred
7.1CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, customer-thread editing is authorized through `ThreadPolicy::edit()`, which checks mailbox access but does not apply the assigned-only restriction from `ConversationPolicy`. A user who cannot view a conversation can still load and edit customer-authored threads inside it. Version 1.8.215 fixes the vulnerability.

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

References

LinkTags
https://github.com/freescout-help-desk/freescout/commit/cdadaf621bb1e1d017315df20d743671f7eae7a9
https://github.com/freescout-help-desk/freescout/releases/tag/1.8.215
https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-4h5p-7f5c-q7gj

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Source: NIST National Vulnerability Database (record CVE-2026-41189), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.