---
id: CVE-2026-16198
title: A vulnerability was detected in Sipeed PicoClaw up to 0.2.9
summary: >-
  A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted
  element is an unknown function of the file
  web/backend/middleware/access_control.go of the component First Run Setup.
  Performing a manipulation of the argument all…
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-287
  - CWE-288
published: '2026-07-19'
updated: '2026-07-19'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16198'
references:
  - url: 'https://github.com/sipeed/picoclaw/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610
    label: cna@vuldb.com
  - url: 'https://github.com/sipeed/picoclaw/issues/3080'
    label: cna@vuldb.com
  - url: 'https://github.com/sipeed/picoclaw/pull/3083'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-16198'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/852965'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/380014'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/380014/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-19T09:30:45.569Z'
epss: 0.00634
epssPercentile: 0.48162
---

## Overview

A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in authentication bypass using alternate channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit is now public and may be used. The patch is named 017601354be38cb027ff3ffb01aed79bd5d12610. Applying a patch is the recommended action to fix this issue.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.