What is CVE-2026-29771?

CVE-2026-29771 is a medium-severity vulnerability in Gravitl Netmaker, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2026-03-07.

How severe is CVE-2026-29771?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Gravitl Netmaker

CVE-2026-29771

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.

Published 2026-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Gravitl Netmaker — versions < 1.2.0
Netmaker

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

github.com/gravitl/netmaker/security/advisories/GHSA-rhr9-hgcm-x289 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-29771?: CVE-2026-29771 is a medium-severity vulnerability in Gravitl Netmaker, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2026-03-07.
How severe is CVE-2026-29771?: Medium severity. CVSS v3 base score is 6.5 out of 10.