CVE-2026-29771: Netmaker makes networks with WireGuard

Q: How do I fix CVE-2026-29771?

netmaker: upgrade to 1.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-29771 being exploited?

CVE-2026-29771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-29771 affect?

CVE-2026-29771 affects netmaker. Severity is medium (CVSS 6.5). Netmaker makes networks with WireGuard. Prior to version 1.2.0, the /api/server/shutdown endpoint allows termination of the Netmaker server process via syscall.SIGINT. This allows any user to repeatedly shut down the server, causing cyclic

Q: How urgent is CVE-2026-29771?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2026-29771 is a medium-severity flaw (CVSS 6.5) affecting netmaker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Netmaker makes networks with WireGuard. Prior to version 1.2.0, the /api/server/shutdown endpoint allows termination of the Netmaker server process via syscall.SIGINT. This allows any user to repeatedly shut down the server, causing cyclic denial of service with approximately 3-second restart intervals. This issue has been patched in version 1.2.0.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-404
Published	2026-03-07
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: netmaker

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-07 16:15 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

netmaker netmaker UPGRADE

Affected: < 1.2.0

Fixed in: 1.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy netmaker || rpm -q netmaker || netmaker --version

2. UPGRADE to 1.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade netmaker

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade netmaker

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-29771?

netmaker: upgrade to 1.2.0. Exact commands for each OS are on this page.

Is CVE-2026-29771 being exploited?

CVE-2026-29771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-29771 affect?

CVE-2026-29771 affects netmaker. Severity is medium (CVSS 6.5). Netmaker makes networks with WireGuard. Prior to version 1.2.0, the /api/server/shutdown endpoint allows termination of the Netmaker server process via syscall.SIGINT. This allows any user to repeatedly shut down the server, causing cyclic

How urgent is CVE-2026-29771?

Priority 30/100. No elevated risk signals yet.

Software pages

WireGuard vulnerabilities

Related CVEs

CVE-2026-38651 HIGH 8.2 UPGRADE Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0
CVE-2026-29196 MEDIUM 4.3 UPGRADE Netmaker makes networks with WireGuard
CVE-2026-29195 MEDIUM 6.5 UPGRADE Netmaker makes networks with WireGuard
CVE-2026-29194 HIGH 8.1 UPGRADE Netmaker makes networks with WireGuard

References

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