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Vulnerability record · CVE-2026-27844 · published 7 July 2026

CVE-2026-27844: Gallagher command centre vulnerability

Gallagher · Command Centre

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.

2.7 CVSS 3.1 Low EPSS 0.39% · top 69.8% CWE-248 · CWE-248
2.7CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
14 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-16098Gallagher command centre improper authentication vulnerabilityIt is possible to enumerate access card credentials via an unauthenticated network connection to the server in versions of Command Centre v8.20 prior…EPSS 1.1%9.8CVE-2019-15294Gallagher command centre sensitive information in log file vulnerabilityAn issue was discovered in Gallagher Command Centre 8.10 before 8.10.1092(MR2). Upon an upgrade, if a custom service account is in use and the visito…EPSS 1.2%8.8CVE-2021-23140Gallagher command centre improper authorization vulnerabilityImproper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Command Centre O…EPSS 0.85%8.8CVE-2020-16103Gallagher command centre type confusion vulnerabilityType confusion in Gallagher Command Centre Server allows a remote attacker to crash the server or possibly cause remote code execution. This issue af…EPSS 2.3%8.6CVE-2026-25193Gallagher active directory sync sensitive information in log file vulnerabilityInsertion of Sensitive Information into Log File (CWE-532) in some Command Centre Service installers could lead to Service Account credentials exposu…EPSS 0.14%8.2CVE-2020-16102Gallagher command centre improper authentication vulnerabilityImproper Authentication vulnerability in Gallagher Command Centre Server allows an unauthenticated remote attacker to create items with invalid confi…EPSS 1.0%8.1CVE-2023-23570Gallagher command centre vulnerabilityClient-Side enforcement of Server-Side security for the Command Centre server could be bypassed and lead to invalid configuration with undefined beha…EPSS 0.67%8.1CVE-2021-23205Gallagher command centre vulnerabilityImproper Encoding or Escaping in Gallagher Command Centre Server allows a Command Centre Operator to alter the configuration of Controllers and other…EPSS 0.87%

Source: NIST National Vulnerability Database (record CVE-2026-27844), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.