CVE-2026-20757
lowpriority · track · 0EPSS 0.001 · 0 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
- gallagher command centre9.20.1043 → 9.20.3783nvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
- gallagher command centre9.30.1594 → 9.30.3382nvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
- gallagher command centre9.40.1359 → 9.40.1976nvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-20757cnnvd
- https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757cnnvd
- https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757enisa_euvd
- https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan