BIT-nats-2026-58209

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/nats/BIT-nats-2026-58209.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-nats-2026-58209
Aliases
Published
2026-07-14T15:47:11Z
Modified
2026-09-08T08:48:24Z
Summary
NATS Server: MQTT retained and QoS replay bypass subscribe deny filters
Details

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, MQTT retained message delivery and QoS1+ durable replay could deliver messages whose original topics matched a subscriber configured subscribe deny rule because these delivery paths did not consistently recheck the concrete original topic before sending the MQTT PUBLISH to the subscriber. This issue is fixed in versions 2.14.3 and 2.12.12.

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

Affected packages

Bitnami / nats

Package

Name
nats
Purl
pkg:bitnami/nats

Severity

  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.12.12
Introduced
2.14.0
Fixed
2.14.3

Database specific

source 
"https://github.com/bitnami/vulndb/tree/main/data/nats/BIT-nats-2026-58209.json"