Description
Netmaker through 1.7.0 contains an authorization bypass vulnerability in the updateExtClient handler that allows network-scoped users to modify external clients on other networks. Attackers with external client permissions on one network can send PUT requests to /api/extclients/{network}/{clientid} to replace public keys, disable clients, and obtain WireGuard private keys.
Published: 2026-10-22
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Description Netmaker through 1.7.0 contains an authorization bypass vulnerability in the updateExtClient handler that allows network-scoped users to modify external clients on other networks. Attackers with external client permissions on one network can send PUT requests to /api/extclients/{network}/{clientid} to replace public keys, disable clients, and obtain WireGuard private keys.
Title Netmaker through 1.7.0 Authorization Bypass via updateExtClient Unscoped Lookup
First Time appeared Netmaker
Netmaker netmaker
Weaknesses CWE-639
CPEs cpe:2.3:a:netmaker:netmaker:*:*:*:*:*:*:*:*
Vendors & Products Netmaker
Netmaker netmaker
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

Netmaker Netmaker
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-22T10:57:43.846Z

Reserved: 2026-10-22T10:37:07.151Z

Link: CVE-2026-115325

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-22T11:17:51.400

Modified: 2026-10-22T11:17:51.513

Link: CVE-2026-115325

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T13:15:06Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key