CVE-2026-20757

EUVD-2026-9275
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
2.5 LOW
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 0.03%
Affected Products (NVD)
VendorProductVersion
gallaghercommand_centre
𝑥
< 9.10.4647
gallaghercommand_centre
9.20.1043 ≤
𝑥
< 9.20.3783
gallaghercommand_centre
9.30.1594 ≤
𝑥
< 9.30.3382
gallaghercommand_centre
9.40.1359 ≤
𝑥
< 9.40.1976
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757