Answer in brief
CVE-2026-85058 records a High severity (CVSS 7.5) vulnerability in Moquette: Missing Authorization in io.moquette:moquette-broker. The current sources do not mark it as known exploited. The current feed maps moquette-io/moquette (generic), io.moquette:moquette-broker (maven), io.moquette:moquette-broker (maven). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps moquette-io/moquette (generic), io.moquette:moquette-broker (maven), io.moquette:moquette-broker (maven). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| moquette-io/moquettegeneric | < 0.18.1 | Not reported |
| io.moquette:moquette-brokermaven | <0.18.1 | 0.18.1 |
| io.moquette:moquette-brokermaven | >=0 <0.18.1 | 0.18.1 |
Published upstream
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 18, 2026
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.
Quoted source text, attributed separately from HOL analysis.