Auth bypass in Freescout-help-desk Freescout

CVE-2026-41191

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, `MailboxesController::updateSave()` persists `chat_start_new` outside the allowed-field filter. A user with only the mailbox `sig` permission sees only…

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41191?
CVE-2026-41191 is a high-severity vulnerability in Freescout-help-desk Freescout, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2026-04-21.
How severe is CVE-2026-41191?
High severity. CVSS v3 base score is 7.1 out of 10.