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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00227.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-27844 cve-icon cve-icon
History

Sat, 01 Aug 2026 18:15:00 +0000

Type Values Removed Values Added
Title Uncaught Exception in Controller Diagnostic Interface Allows Authorized Operator to Trigger Reboot, Resulting in Temporary Denial of Service

Wed, 29 Jul 2026 16:00:00 +0000

Type Values Removed Values Added
Title Uncaught Exception Triggering Controller Restart in Gallagher Controller Diagnostics

Sun, 26 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Title Uncaught Exception Triggering Controller Restart in Gallagher Controller Diagnostics

Wed, 22 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Uncaught Exception Allows Operator to Trigger Controller Restart Resulting in Denial of Service

Thu, 16 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
Title Uncaught Exception Allows Operator to Trigger Controller Restart Resulting in Denial of Service

Mon, 13 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Title Authenticated Operator Can Restart Gallagher Controller Causing Temporary Denial of Service

Sun, 12 Jul 2026 08:45:00 +0000

Type Values Removed Values Added
Title Authenticated Operator Can Restart Gallagher Controller Causing Temporary Denial of Service

Sat, 11 Jul 2026 05:15:00 +0000

Type Values Removed Values Added
Title Controller Diagnostic Interface Restart Denial of Service

Fri, 10 Jul 2026 02:15:00 +0000

Type Values Removed Values Added
Title Controller Diagnostic Interface Restart Denial of Service

Thu, 09 Jul 2026 11:45:00 +0000

Type Values Removed Values Added
Title Uncaught Exception in Diagnostic Web Interface Allows Controller Restart (Denial of Service)

Wed, 08 Jul 2026 16:45:00 +0000

Type Values Removed Values Added
Title Uncaught Exception in Diagnostic Web Interface Allows Controller Restart (Denial of Service)

Wed, 08 Jul 2026 09:45:00 +0000

Type Values Removed Values Added
Title Authenticated Operator Can Trigger Controller Restart Causing Temporary Denial of Service

Tue, 07 Jul 2026 17:15:00 +0000

Type Values Removed Values Added
Title Authenticated Operator Can Trigger Controller Restart Causing Temporary Denial of Service

Tue, 07 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 07 Jul 2026 05:00:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Gallagher

Published:

Updated: 2026-07-07T13:36:54.335Z

Reserved: 2026-03-01T23:45:09.678Z

Link: CVE-2026-27844

cve-icon Vulnrichment

Updated: 2026-07-07T13:36:50.650Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-07-07T05:16:50.617

Modified: 2026-07-07T14:16:29.760

Link: CVE-2026-27844

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-01T18:00:12Z

Weaknesses