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Low · 2.7 CVE-2026-27790 EUVD-2026-42001GHSA-56pq-38g7-f784

Uncaught Exception (CWE-248) in the T20 Readers allows an authenticated and authorized operator to trigger a restart by sending specific re…

Published Jul 7, 2026 · Updated Jul 7, 2026 · Assigned by Gallagher

Description

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 products

VendorProductAffectedFixed
Gallagher T-20 Readers ≤ 9.10, 9.50 – < vCR9.50.260616a, 9.40 – < vCR9.40.260616a, 9.30 – < vCR9.30.260616a, 9.20 – < vCR9.20.260616a vCR9.50.260616a

References