CVE-2026-46382 Meeting Room Booking System has server-side request forgery in import functionality
Attackers can exploit the import functionality to fetch private or local URIs, potentially accessing internal resources or bypassing security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46382?
CVE-2026-46382 is a high-severity server-side request forgery vulnerability in meeting-room-booking-system mrbs-code, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Meeting Room Booking System (MRBS) is a PHP-based application for booking meeting rooms. Prior to version 1.12.2, a user-supplied private/local URI can be made to be fetched without checks. Version 1.12.2 contains a fix. No known workarounds are available.
Weakness: CWE-918
Which versions are affected by CVE-2026-46382?
How do I fix CVE-2026-46382?
No fix has been published for CVE-2026-46382 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-46382 being exploited?
There is no known exploitation of CVE-2026-46382 in the wild and no public exploit code.
Sources
Also known as GHSA-gh77-mpcm-f8r3.