Description
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, a client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, disable leafnode support if not needed or restrict network connections to the leafnode port, if plausible without compromising the service offered.
CVSS 7.5EPSS 0.616%Risk 0.79
View source- Published
- 2026-03-25 20:16:32
- Affected versions
- <2.11.15, <2.12.6
- Type
- Package
- Last modified
- 2026-08-10 13:18:54
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H