CVE-2026-20757

LOW

2.5

CVSS Score

Published: March 3, 2026 at 02:40 AM UTC

Updated: August 18, 2026 at 04:05 PM UTC

1 product affected across 1 vendorCommand Centre

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Severity

LOW2.5

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Command Centre · Gallagher

95%

v ≤ 9.00v < 9.10.46479.10 ≤ v < 9.10.4647 (MR9)9.20 ≤ v < 9.20.3783 (MR6)9.20.1043 ≤ v < 9.20.37839.30 ≤ v < 9.30.3382 (MR4)9.30.1594 ≤ v < 9.30.33829.40 ≤ v < 9.40.1976(MR1)9.40.1359 ≤ v < 9.40.19769.10 9.20 9.30 9.40

Affected range stops below 9.10.4647, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.10.4647 (MR9), so it looks safe — our inference, not a vendor statement

Affected range stops below 9.20.3783, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.20.3783 (MR6), so it looks safe — our inference, not a vendor statement

Affected range stops below 9.30.3382, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.30.3382 (MR4), so it looks safe — our inference, not a vendor statement

Affected range stops below 9.40.1976, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.40.1976(MR1), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757

References (1)

Vendor Advisory

Source: [email protected]

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.5LOWGallagher

Attack Vector: LOCAL
Complexity: HIGH
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: LOW

Vector?

Quick Info

StatusANALYZED

CWE

CWE-667

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