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Vulnerabilities CVE-2026-46688

CVE-2026-46688

Medium
Open
TLP:CLEAR

Meeting Room Booking System has an unauthenticated open redirect

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Description

The Meeting Room Booking System (MRBS) is a PHP-based application for booking meeting rooms. Prior to version 1.12.2, an unauthenticated request can be made to redirect the user to a query-specified location. This allows an attacker to create a specially-crafted URL to an MRBS installation that will cause the user who clicks it to be redirected to the attacker-specified redirect URL, which could be a spoofed MRBS login page, for example. Version 1.12.2 contains a fix. No known workarounds are available.

Details

CVSS Score
6.9
EPSS Score
0.25%

16.4th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 12, 2026
Last Modified
Aug 13, 2026
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