GO-2026-4828
NATS has mTLS verify_and_map authentication bypass via incorrect Subject DN matching in github.com/nats-io/nats-server
At a glance
- Published
- Updated
- CVE
- CVE-2026-33248
- Aliases
- BIT-nats-2026-33248, GHSA-3f24-pcvm-5jqc
Description
NATS has mTLS verify_and_map authentication bypass via incorrect Subject DN matching 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-3f24-pcvm-5jqc ADVISORY
- https://advisories.nats.io/CVE/secnote-2026-13.txt WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |