BIT-rabbitmq-2026-67418

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/rabbitmq/BIT-rabbitmq-2026-67418.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-rabbitmq-2026-67418
Aliases
Published
2026-10-21T08:59:31Z
Modified
2026-10-21T12:11:18Z
Summary
RabbitMQ MQTT 5: inapplicable PUBLISH property disconnects matching subscribers
Details

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.19, 4.0.24, 4.1.15, 4.2.10, and 4.3.5, the MQTT 5 parser in deps/rabbitmq_mqtt/src/rabbit_mqtt_packet.erl accepts Request-Problem-Information on PUBLISH packets even though the property is valid only for CONNECT. An authenticated publisher with topic write permission can cause the broker to store and route that inapplicable property to a separately authenticated matching subscriber. When the subscriber path serializes the outbound PUBLISH, serialise_prop/2 has no matching clause, and the uncontained function_clause exception closes the victim MQTT or Web MQTT connection. The publisher connection and broker remain available, and queued replay, retained-message persistence, and broker-wide denial of service were not established. This issue is fixed in versions 3.13.19, 4.0.24, 4.1.15, 4.2.10, and 4.3.5.

Database specific 
{
    "cpes":  [
        "cpe:2.3:a:vmware:rabbitmq:*:*:*:*:*:*:*:*"
    ],
    "severity":  "Medium"
}
References

Affected packages

Bitnami / rabbitmq

Package

Name
rabbitmq
Purl
pkg:bitnami/rabbitmq

Severity

  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
3.13.0
Fixed
3.13.19
Introduced
4.0.0
Fixed
4.0.24
Introduced
4.1.0
Fixed
4.1.15
Introduced
4.2.0
Fixed
4.2.10
Introduced
4.3.0
Fixed
4.3.5

Database specific

source 
"https://github.com/bitnami/vulndb/tree/main/data/rabbitmq/BIT-rabbitmq-2026-67418.json"