CVE-2026-34443 in freescout

Sumário (Inglês)

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.211, checkIpByMask() in app/Misc/Helper.php checks whether the input IP contains a / character. Plain IP addresses never contain /, so the function always returns false without checking any CIDR ranges. The entire 10.0.0.0/8 and 172.16.0.0/12 private ranges are unprotected. This issue has been patched in version 1.8.211.

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Responsável

GitHub_M

Reservar

27/03/2026

Divulgação

01/04/2026

Estado

Confirmado

Inscrições

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerabilidade	CWE	Exp	Con	CVE
354545	freescout-help-desk freescout Helper.php checkIpByMask Elevação de Privilégios	918	Não definido	Correção oficial	CVE-2026-34443

Fontes

• MITRE
• NVD
• CVE Details