Incorrect authorization in Netmaker - CVE-2026-29195

 

Incorrect authorization in Netmaker - CVE-2026-29195

Published: April 27, 2026


Vulnerability identifier: #VU128020
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-29195
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GRAVITL
Affected software:
Netmaker

Detailed vulnerability description

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to improper access control in the user update handler when handling PUT /api/users/{username} requests. A remote user can send a crafted user update request to escalate privileges.

The issue allows an admin-role user to assign the super-admin role during account updates.


How to mitigate CVE-2026-29195

Install security update from vendor's website.

Sources