CVE-2026-95842

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-95842
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-95842.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-95842
Aliases
Published
2026-09-23T16:29:41Z
Modified
2026-09-24T08:22:25Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Moquette uncaught MQTT command exceptions can terminate shared session event loops
Details

Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, SessionEventLoop.run catches only InterruptedException, and SessionEventLoopGroup does not restart a terminated loop. An MQTT command that raises an uncaught exception can terminate an event loop shared by multiple client sessions, preventing every co-located client from processing PUBLISH, SUBSCRIBE, PUBACK, and other commands. An attacker can select client IDs that map across the available loops to disrupt session processing for the entire broker. This issue is fixed in version 0.18.1.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-248"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/95xxx/CVE-2026-95842.json"
}
References

Affected packages

Git / github.com/moquette-io/moquette

Affected ranges

Type
GIT
Repo
https://github.com/moquette-io/moquette
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e8ce83336acce69d8e9c11c98805217aa156a16b
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "0.18.1"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

0.*
0.18.0
0.7
Other
before_sofia2
last_gradle
last_osgi
last_with_maven
last_with_ringbuffer
second_try_with_osgi_giveup
v0.*
v0.10
v0.11
v0.12
v0.12.1
v0.18.0
v0.8
v0.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-95842.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "264460424198365981025294149882277014898",
                "11410191927348774178838709852851310256",
                "273802157253247414129958982189405529275",
                "315296026132642631038163665576809441438"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-95842-dd85d397",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/moquette-io/moquette/commit/e8ce83336acce69d8e9c11c98805217aa156a16b",
        "target":  {
            "file":  "broker/src/main/java/io/moquette/broker/Server.java"
        }
    }
]
vanir_signatures_modified 
"2026-09-24T08:22:25Z"