CVE-2026-20757

Improper Locking in Gallagher Morpho Integration Causes Limited Denial-of-Service

Published Mar 3, 2026 CVSS 3.1 · 2.5 Low EPSS < 1% KEV · Not listed
Description
Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server.



This issue affects Command Centre Server:

9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Improper Locking in Gallagher Morpho Integration Causes Limited Denial-of-Service
Type Values Removed Values Added
First Time appeared Gallagher
Gallagher command Centre
Vendors & Products Gallagher
Gallagher command Centre
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server. This issue affects Command Centre Server: 9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior.
Weaknesses CWE-667
References
Metrics cvssV3_1

{'score': 2.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Gallagher
Published
Updated
Mar 3, 2026, 3:43 PM
Reserved
Mar 1, 2026, 11:45 PM
Status
Analyzed
Published
Mar 3, 2026, 3:15 AM
Modified
Aug 18, 2026, 3:54 PM