CVE-2026-27844

Uncaught Exception in Controller Diagnostic Interface Allows Authorized Operator to Trigger Reboot, Resulting in Temporary Denial of Service

Published Jul 7, 2026 CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
Description
Uncaught Exception (CWE-248) in the Controller 6000 and Controller 7000 diagnostic web interface allows an authenticated and authorized operator to trigger a Controller restart by sending specific requests, resulting in a temporary denial of service. 
Version of Command Centre affected:





* 9.50 prior to vCR9.50.260616a (distributed in 9.50.1587(MR1))
* 9.40 prior to vCR9.40.260616a (distributed in 9.40.3130(MR3))
* 9.30 prior to vCR9.30.260616a (distributed in 9.30.3983(MR5))
* 9.20 prior to vCR9.20.260616a (distributed in 9.20.4349(MR7))
* all versions of 9.10 and prior.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Gallagher
Gallagher command Centre
Gallagher controller 6000
Gallagher controller 7000
Gallagher controller 7000 Enhanced
Gallagher controller 7000 High Security
Gallagher controller 7000 Single Door
Gallagher controller 7000 Two Door
CPEs cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
cpe:2.3:h:gallagher:controller_6000:-:*:*:*:*:*:*:*
cpe:2.3:h:gallagher:controller_7000:-:*:*:*:*:*:*:*
cpe:2.3:h:gallagher:controller_7000_enhanced:-:*:*:*:*:*:*:*
cpe:2.3:h:gallagher:controller_7000_high_security:-:*:*:*:*:*:*:*
cpe:2.3:h:gallagher:controller_7000_single_door:-:*:*:*:*:*:*:*
cpe:2.3:h:gallagher:controller_7000_two_door:-:*:*:*:*:*:*:*
Vendors & Products Gallagher
Gallagher command Centre
Gallagher controller 6000
Gallagher controller 7000
Gallagher controller 7000 Enhanced
Gallagher controller 7000 High Security
Gallagher controller 7000 Single Door
Gallagher controller 7000 Two Door
Type Values Removed Values Added
Title Uncaught Exception in Controller Diagnostic Interface Allows Authorized Operator to Trigger Reboot, Resulting in Temporary Denial of Service
Type Values Removed Values Added
Title Uncaught Exception Triggering Controller Restart in Gallagher Controller Diagnostics
Type Values Removed Values Added
Title Uncaught Exception Triggering Controller Restart in Gallagher Controller Diagnostics
Type Values Removed Values Added
Title Uncaught Exception Allows Operator to Trigger Controller Restart Resulting in Denial of Service
Type Values Removed Values Added
Title Uncaught Exception Allows Operator to Trigger Controller Restart Resulting in Denial of Service
Type Values Removed Values Added
Title Authenticated Operator Can Restart Gallagher Controller Causing Temporary Denial of Service
Type Values Removed Values Added
Title Authenticated Operator Can Restart Gallagher Controller Causing Temporary Denial of Service
Type Values Removed Values Added
Title Controller Diagnostic Interface Restart Denial of Service
Type Values Removed Values Added
Title Controller Diagnostic Interface Restart Denial of Service
Type Values Removed Values Added
Title Uncaught Exception in Diagnostic Web Interface Allows Controller Restart (Denial of Service)
Type Values Removed Values Added
Title Uncaught Exception in Diagnostic Web Interface Allows Controller Restart (Denial of Service)
Type Values Removed Values Added
Title Authenticated Operator Can Trigger Controller Restart Causing Temporary Denial of Service
Type Values Removed Values Added
Title Authenticated Operator Can Trigger Controller Restart Causing Temporary Denial of Service
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Uncaught Exception (CWE-248) in the Controller 6000 and Controller 7000 diagnostic web interface allows an authenticated and authorized operator to trigger a Controller restart by sending specific requests, resulting in a temporary denial of service.  Version of Command Centre affected: * 9.50 prior to vCR9.50.260616a (distributed in 9.50.1587(MR1)) * 9.40 prior to vCR9.40.260616a (distributed in 9.40.3130(MR3)) * 9.30 prior to vCR9.30.260616a (distributed in 9.30.3983(MR5)) * 9.20 prior to vCR9.20.260616a (distributed in 9.20.4349(MR7)) * all versions of 9.10 and prior.
Weaknesses CWE-248
References
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L'}