---
id: CVE-2026-16196
title: A weakness has been identified in Sipeed PicoClaw up to 0.2.9
summary: >-
  A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the
  function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of
  the component web_fetch. This manipulation causes server-side request forgery.
  Th…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-918
published: '2026-07-18'
updated: '2026-07-18'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16196'
references:
  - url: 'https://github.com/sipeed/picoclaw/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/sipeed/picoclaw/commit/2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405
    label: cna@vuldb.com
  - url: 'https://github.com/sipeed/picoclaw/issues/3077'
    label: cna@vuldb.com
  - url: 'https://github.com/sipeed/picoclaw/pull/3085'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-16196'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/852963'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/380012'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/380012/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-19T09:30:45.524Z'
epss: 0.00407
epssPercentile: 0.34762
---

## Overview

A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. This manipulation causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405. To fix this issue, it is recommended to deploy a patch.

## Remediation

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