---
title: "CVE-2026-115325: Netmaker - Authorization Bypass"
description: "Netmaker through 1.7.0 contains an authorization bypass caused by improper access control in the updateExtClient handler, letting network-scoped users modify external clients on other networks, exploit requires attacker to have external client permissions on one network."
url: https://panop.io/threat-heartbeat/CVE-2026-115325/
---

# CVE-2026-115325 Netmaker - Authorization Bypass

Netmaker through 1.7.0 contains an authorization bypass caused by improper access control in the updateExtClient handler, letting network-scoped users modify external clients on other networks, exploit requires attacker to have external client permissions on one network.

CVSS base score 8.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-115325)

## Details

Type

Authorization Bypass

Impact

Broken Access Control, Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Published

22 October 2026

Updated

23 October 2026

Weakness

[CWE-639](https://cwe.mitre.org/data/definitions/639.html)

## Vendor fix

Update to the latest version beyond 1.7.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-115325](https://nvd.nist.gov/vuln/detail/CVE-2026-115325)
- [https://github.com/gravitl/netmaker](https://github.com/gravitl/netmaker)
- [https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext\_client.go#L879](https://github.com/gravitl/netmaker/blob/v1.7.0/controllers/ext_client.go#L879)
- [https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0](https://github.com/gravitl/netmaker/commit/332d8b9bab030ee65e78b9141259e4e0e80ac4b0)
- [https://github.com/gravitl/netmaker/issues/3875](https://github.com/gravitl/netmaker/issues/3875)
- [https://github.com/gravitl/netmaker/pull/4153](https://github.com/gravitl/netmaker/pull/4153)
- [https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookup](https://www.vulncheck.com/advisories/netmaker-through-1.7.0-authorization-bypass-via-updateextclient-unscoped-lookup)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)