Go/github.com/nats-io/nats-server CVE-2026-33217: high 7.1, EPSS 0.26%
NATS allows MQTT clients to bypass ACL checks
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-jxxm-27vp-c3m5#Go/github.com/nats-io/nats-server
- https://github.com/nats-io/nats-server/security/advisories/GHSA-jxxm-27vp-c3m5
- https://nvd.nist.gov/vuln/detail/CVE-2026-33217
- https://advisories.nats.io/CVE/secnote-2026-07.txt
- https://github.com/nats-io/nats-server
CVE-2026-33217 · published · modified · JSON