BIT-nats-2026-29785

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/nats/BIT-nats-2026-29785.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-nats-2026-29785
Aliases
Published
2026-03-27T17:45:10.061Z
Modified
2026-03-27T18:26:20.124325Z
Summary
NATS Server panic via malicious compression on leafnode port
Details

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.14 and 2.12.5, if the nats-server has the "leafnode" configuration enabled (not default), then anyone who can connect can crash the nats-server by triggering a panic. This happens pre-authentication and requires that compression be enabled (which it is, by default, when leafnodes are used). Versions 2.11.14 and 2.12.5 contain a fix. As a workaround, disable compression on the leafnode port.

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

Affected packages

Bitnami / nats

Package

Name
nats
Purl
pkg:bitnami/nats

Severity

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

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.14
Introduced
2.12.0
Fixed
2.12.5

Database specific

source 
"https://github.com/bitnami/vulndb/tree/main/data/nats/BIT-nats-2026-29785.json"