Incorrect authorization in Froxlor - CVE-2026-41232
Published: April 27, 2026
Vulnerability identifier: #VU128196
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41232
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to spoof email senders across customer domains.
The vulnerability exists due to incorrect authorization in EmailSender::add() when processing full email sender aliases. A remote user can add a sender alias for an email address on another customer's domain to spoof email senders across customer domains.
Only the full email address alias path is affected; the wildcard @domain path is not affected.
Affected software
Froxlor
How to mitigate CVE-2026-41232
Install security update from vendor's website.
Froxlor - update to 2.3.6