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    CVE-2026-27790

    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.

    Published:Jul 7, 2026
    Last Modified:Aug 14, 2026
    EPS:Jul 7, 2026
    EPSS Score:0.00227
    CVSS Score:2.7

    Affected Products

    Vendor
    Gallagher
    Product
    Command Centre
    Vendor
    Gallagher
    Product
    High Sec T20 Reader
    Vendor
    Gallagher
    Product
    High Sec T20 Reader Multi Tech
    Vendor
    Gallagher
    Product
    T-20 Readers
    Vendor
    Gallagher
    Product
    T20 Alarms Terminal
    Vendor
    Gallagher
    Product
    T20 Mifare Terminal
    Vendor
    Gallagher
    Product
    T20 Multi Tech Terminal

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-248 Uncaught Exception

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-52578 (CVSS 5.7) — Incorrect Usage of Seeds in Pseudo-Random Number Generator (CWE- 335) vulnerability in the High Sec ELM may al…
    CVE-2025-52457 (CVSS 5.7) — Observable Timing Discrepancy (CWE-208) in HBUS devices may allow an attacker with physical access to the devi…
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    CVE-2025-48428 (CVSS 6.7) — Cleartext Storage of Sensitive Information (CWE-312) in the Gallagher Morpho integration could allow an authen…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High