GO-2026-4533
nats-server websockets are vulnerable to pre-auth memory DoS in github.com/nats-io/nats-server
At a glance
- Published
- Updated
- CVE
- CVE-2026-27571
- Aliases
- BIT-nats-2026-27571, GHSA-qrvq-68c2-7grw
Description
nats-server websockets are vulnerable to pre-auth memory DoS 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 2.11.12, introduced 2.12.0-RC.1, fixed 2.12.3 |
References
- https://github.com/nats-io/nats-server/security/advisories/GHSA-qrvq-68c2-7grw ADVISORY
- https://github.com/nats-io/nats-server/commit/f77fb7c4535e6727cc1a2899cd8e6bbdd8ba2017 FIX
- https://github.com/nats-io/nats-server/releases/tag/v2.11.12 WEB
- https://github.com/nats-io/nats-server/releases/tag/v2.12.3 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |