NATS Server

by NATS Authorsv2.10.25

Last updated Jun 8, 2026

High-Performance server for NATS.io, the cloud and edge native messaging system.

Install with winget

$ winget install --id NATSAuthors.NATSServer --exact --version 2.10.25

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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Installers · v2.10.25

Architecture	Type	Scope	Download
x86	ZIP archive	-	Direct
x64	ZIP archive	-	Direct
arm64	ZIP archive	-	Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

23 known CVEs via NVD

medium4.3Patched in wingetCVE-2026-33249affects before 2.11.15, 2.12.6Mar 25, 2026
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.11.0 and prior to versions 2.11.15 and 2.12.6, a valid client which uses message tracing headers can indicate that the trace messages can be sent to an arbitrary...
Vendor advisory
medium4.2Fix in v2.11.15CVE-2026-33248affects before 2.11.15, 2.12.6Mar 25, 2026
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, when using mTLS for client identity, with `verify_and_map` to derive a NATS identity from the client certificate's Subject DN, certain patterns o...
Vendor advisory
medium6.4Fix in v2.11.15CVE-2026-33223affects before 2.11.15, 2.12.6Mar 25, 2026
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, the NATS message header `Nats-Request-Info:` is supposed to be a guarantee of identity by the NATS server, but the stripping of this header from...
Vendor advisory
medium4.9Fix in v2.11.15CVE-2026-33222affects before 2.11.15, 2.12.6Mar 25, 2026
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, users with JetStream admin API access to restore one stream could restore to other stream names, impacting data which should have been protected...
Vendor advisory
high7.4Fix in v2.11.15CVE-2026-33247affects before 2.11.15, 2.12.6Mar 25, 2026
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, if a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any u...
Vendor advisory
medium6.4Fix in v2.11.15CVE-2026-33246affects before 2.11.15, 2.12.6Mar 25, 2026
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server offers a `Nats-Request-Info:` message header, providing information about a request. This is supposed to provide enough information to allow for account/user identific...
Vendor advisory
medium5.3Fix in v2.11.15CVE-2026-33219affects before 2.11.15, 2.12.6Mar 25, 2026
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 malicious client which can connect to the WebSockets port can cause unbounded memory use in the nats-server before authentication; this require...
Vendor advisory
high7.5Fix in v2.11.15CVE-2026-33218affects before 2.11.15, 2.12.6Mar 25, 2026
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 a...
Vendor advisory

Showing 8 of 23. Source: NVD, updated 1h ago. Patch status is best-effort: NVD's fix version is compared against the latest version in winget, but the two version formats don't always align. Confirm with the vendor advisory before treating any specific build as safe.

See a CVE that affects your fleet? Push the patched version to Intune in one click with Pckgr - automated patching is the only way to keep up.

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Frequently asked questions

How do I install NATS Server on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id NATSAuthors.NATSServer --exact --version 2.10.25. winget downloads the installer from NATS Authors and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install NATS Server silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id NATSAuthors.NATSServer --exact 2.10.25 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall NATS Server via winget?

Run: winget uninstall --id NATSAuthors.NATSServer --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from NATS Server's Apps & Features entry.

Is NATS Server free?

NATS Server is distributed under Apache-2.0. Refer to the publisher (https://github.com/nats-io/nats-server) for the full license terms - Wingetly itself does not charge for installation.

Does NATS Server work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls NATS Server directly from the publisher.

How do I keep NATS Server up to date?

Run winget upgrade --id NATSAuthors.NATSServer --exact, or winget upgrade --all to update everything winget tracks. We index 2 versions of NATS Server from microsoft/winget-pkgs.

Recent versions

2.10.25latest
2.9.21