GO-2026-4833
NATS is vulnerable to MQTT hijacking via Client ID in github.com/nats-io/nats-server
At a glance
- Published
- Updated
- CVE
- CVE-2026-33215
- Aliases
- BIT-nats-2026-33215, GHSA-fcjp-h8cc-6879
Description
NATS is vulnerable to MQTT hijacking via Client ID in github.com/nats-io/nats-server
Affected packages
| Package | Versions |
|---|---|
| Go · github.com/nats-io/nats-server | introduced 0 |
| Go · github.com/nats-io/nats-server/v2 | introduced 0, fixed 2.11.15, introduced 2.12.0-RC.1, fixed 2.12.6 |
References
- https://github.com/nats-io/nats-server/security/advisories/GHSA-fcjp-h8cc-6879 ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-33215 ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |