CVE-2026-115325

Netmaker through 1.7.0 Authorization Bypass via updateExtClient Unscoped Lookup

Published Oct 22, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gravitl
Gravitl netmaker
Vendors & Products Gravitl
Gravitl netmaker
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 23, 2026, 3:05 PM
Reserved
Oct 22, 2026, 10:37 AM
Status
Deferred
Published
Oct 22, 2026, 11:17 AM
Modified
Oct 23, 2026, 3:17 PM