---
id: CVE-2026-27790
title: "Uncaught Exception (CWE-248)\_in\_the T20 Readers\_allows an authenticated and authorized operator to trigger a restart by sending specific requests, resulting in a temporary denial of service.\_Version of Command Centre affected:\n\n\n\n\n\n  *  …"
summary: "Uncaught Exception (CWE-248)\_in\_the T20 Readers\_allows an authenticated and authorized operator to trigger a restart by sending specific requests, resulting in a temporary denial of service.\_Version of Command Centre affected:\n\n\n\n\n\n  *  …"
severity: low
cvss: 2.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-248
vendor: gallagher
product: command_centre
affected:
  - command_centre < 9.20.4349
  - 'command_centre >= 9.30.1594, < 9.30.3983'
  - 'command_centre >= 9.40.1359, < 9.40.3130'
  - 'command_centre >= 9.50.978, < 9.50.1587'
patched:
  - command_centre 9.50.1587
published: '2026-07-07'
updated: '2026-08-14'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-27790'
references:
  - url: 'https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-27790'
    label: disclosures@gallagher.com
tags:
  - nvd
epss: 0.00385
epssPercentile: 0.29706
ingestedAt: '2026-08-15T13:26:46.474Z'
---

## Overview

Uncaught Exception (CWE-248) in the T20 Readers allows an authenticated and authorized operator to trigger a 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.

## Affected

- `command_centre < 9.20.4349`
- `command_centre >= 9.30.1594, < 9.30.3983`
- `command_centre >= 9.40.1359, < 9.40.3130`
- `command_centre >= 9.50.978, < 9.50.1587`

## Remediation

Upgrade past the affected range:

- `command_centre 9.50.1587`