2.7
LOW CVSS 3.1
CVE-2026-27844
Gallagher Command Centre Controller Uncaught Exception Denial of Service
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.

INFO

Published Date :

July 7, 2026, 5:16 a.m.

Last Modified :

July 7, 2026, 5:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-27844 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Gallagher controller_7000
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 LOW 0c426f27-3ee1-4eff-be88-288d5a1822bc
CVSS 3.1 LOW [email protected]
Solution
Apply updates to prevent unauthorized controller restarts and service disruption.
  • Update to the latest available Controller software version.
  • Ensure the latest patch specific to your version is applied.
  • Monitor controller stability after applying updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-27844.

URL Resource
https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-27844
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-27844 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-27844 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-27844 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-27844 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 07, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Gallagher', 'product': 'Controller 7000 and 6000', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'custom', 'lessThanOrEqual': '9.10'}, {'status': 'affected', 'version': '9.50', 'lessThan': 'vCR9.50.260616a', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.40', 'lessThan': 'vCR9.40.260616a', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.30', 'lessThan': 'vCR9.30.260616a', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.20', 'lessThan': 'vCR9.20.260616a', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}]
    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.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-248
    Added Reference https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-27844
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.