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CVE-2026-29771— Netmaker: Denial of Service via Server Shutdown Endpoint

Quick assessment

Affected
gravitl netmaker
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gravitl Netmaker是美国Gravitl公司的一个使用 WireGuard 创建和管理快速、安全和动态的虚拟覆盖网络的平台。用于创建和控制自动化虚拟网络。 Gravitl Netmaker 1.2.0之前版本存在安全漏洞，该漏洞源于/api/server/shutdown端点允许终止服务器进程，可能导致循环拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 0.44% · P36
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I. Basic Information for CVE-2026-29771

Vulnerability Information
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Vulnerability Title
Netmaker: Denial of Service via Server Shutdown Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
Gravitl Netmaker 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gravitl Netmaker是美国Gravitl公司的一个使用 WireGuard 创建和管理快速、安全和动态的虚拟覆盖网络的平台。用于创建和控制自动化虚拟网络。 Gravitl Netmaker 1.2.0之前版本存在安全漏洞，该漏洞源于/api/server/shutdown端点允许终止服务器进程，可能导致循环拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
gravitl netmaker < 1.2.0 -

II. Public POCs for CVE-2026-29771

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III. Intelligence Information for CVE-2026-29771

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Vendor Advisories for CVE-2026-29771 (1)

Same Patch Batch · gravitl · 2026-03-07 · 4 CVEs total

CVE-2026-29194 Netmaker: Insufficient Authorization in Host Token Verification
CVE-2026-29196 Netmaker: Service User with Network Access Can Access config files with WireGuard Private
CVE-2026-29195 Netmaker: Privilege Escalation from Admin to Super-Admin via User Update

IV. Related Vulnerabilities

Same product: netmaker
Same vendor: gravitl
Same weakness: CWE-404

V. Comments for CVE-2026-29771

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