High 7.6Published Apr 7, 2026

CVE-2026-39384FreeScout Customer Merge Cross-Mailbox Authorization Bypass

Updated under an hour ago (Oct 26, 2026, 7:50 PM ET)

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It affects freescout-help-desk freescout and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for freescout-help-desk freescout

Exploited in the last 30 days

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.212, FreeScout does not take the limit_user_customer_visibility parameter into account when merging customers. This vulnerability is fixed in 1.8.212.

CVSS: 7.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Apr 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

freescout-help-desk freescout freescout_help_desk:freescout (from the name)	before 1.8.212	CNA record
freescout freescout freescout:freescout	before 1.8.212	NVD

References

References

https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-j6v9-22vq-53vh	x-refsource-confirm, exploit, vendor-advisory
https://github.com/freescout-help-desk/freescout/commit/b395a1179117af5e2df704c6bad71feeb301b4ce	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.