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CVE-2026-95848 Details

Description

Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, when a configured authenticator or authorizator class cannot be loaded, Server.initializeAuthenticator and Server.initializeAuthorizatorPolicy treat the failure as though no custom class was configured and fall back to AcceptAllAuthenticator or PermitAllAuthorizatorPolicy. A misspelled class name, missing dependency, constructor failure, or classpath problem can therefore start the broker with authentication or authorization disabled even though the operator configured those controls. This issue is fixed in version 0.18.1.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq	CISA-ADP	ExploitMitigationVendor Advisory
https://github.com/moquette-io/moquette/commit/14a2f4fd280c8f6a791600c306cbccecb7c67007	[email protected]	Patch
https://github.com/moquette-io/moquette/pull/967	[email protected]	Patch
https://github.com/moquette-io/moquette/releases/tag/v0.18.1	[email protected]	Release Notes
https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq	[email protected]	ExploitMitigationVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-636	Not Failing Securely ('Failing Open')	[email protected]

Affected Products

Product	Versions
moquette moquette	< 0.18.1
CPE cpe:2.3:a:moquette:moquette:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 28, 2026	Initial Analysis	[email protected]
Sep 23, 2026	CVE Modified	CISA-ADP
Sep 23, 2026	New CVE Received	[email protected]