CVE-2026-29196 Netmaker: Service User with Network Access Can Access config files with WireGuard Private Keys

High 8.7 Published Updated

A platform-user can retrieve WireGuard private keys for all network nodes via API endpoints, exposing sensitive cryptographic material.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-29196?

CVE-2026-29196 is a high-severity vulnerability in gravitl netmaker, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Netmaker makes networks with WireGuard. Prior to version 1.5.0, a user assigned the platform-user role can retrieve WireGuard private keys of all wireguard configs in a network by calling GET /api/extclients/{network} or GET /api/nodes/{network}. While the Netmaker UI restricts visibility, the API endpoints return full records, including private keys, without filtering based on the requesting user's ownership. This issue has been patched in version 1.5.0.

Weakness: CWE-863

Which versions are affected by CVE-2026-29196?

3 open source packages ship an affected version, including github.com/gravitl/netmaker. It affects 1 product.

PackageAffectedFixed in
github.com/gravitl/netmaker GoAll versions1.5.0
github.com/gravitl/netmaker GoAll versions1.5.0
github.com/gravitl/netmaker GoAll versions1.5.0

Products include Gravitl Netmaker.

How do I fix CVE-2026-29196?

Upgrade github.com/gravitl/netmaker to 1.5.0 or later.

Is CVE-2026-29196 being exploited?

There is no known exploitation of CVE-2026-29196 in the wild and no public exploit code.

Sources

Also known as GHSA-4hgg-c4rr-6h7f, GO-2026-4651.

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