SCA: security update for io.moquette:moquette-broker (GHSA-9jjc-fw8x-fmwx)

high Tenable Self-Hosted Container Security Plugin ID 448264

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, PostOffice.publishWill publishes a client-
controlled Last Will message through publish2Subscribers without invoking the authorizator.canWrite check
used by normal PUBLISH paths. When anonymous access is enabled and topic ACLs restrict writes, a remote
client can set an ACL-protected topic as the Last Will Topic during CONNECT and perform an abnormal client
disconnect, causing the broker to inject attacker-controlled messages into a topic for which the client
lacks write permission. This issue is fixed in version 0.18.1. (CVE-2026-85058)

Solution

Update the io.moquette:moquette-broker library and its related packages to version 0.18.1 or later.

See Also

https://github.com/advisories/GHSA-9jjc-fw8x-fmwx

Plugin Details

Severity: High

ID: 448264

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 9/23/2026

Updated: 9/23/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.58

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-85058

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/18/2026

Vulnerability Publication Date: 9/18/2026

Reference Information

CVE: CVE-2026-85058

cwe: CWE-862