---
id: CVE-2026-16083
title: A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9
summary: >-
  A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This
  affects the function webhook.ParseRequest of the file
  pkg/channels/line/line.go of the component LINE Webhook. The manipulation
  results in authentication bypass by …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-287
  - CWE-294
published: '2026-07-18'
updated: '2026-07-18'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16083'
references:
  - url: 'https://github.com/sipeed/picoclaw/'
    label: cna@vuldb.com
  - url: 'https://github.com/sipeed/picoclaw/issues/3073'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-16083'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/852945'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/379795'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/379795/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.0072
epssPercentile: 0.51929
ingestedAt: '2026-07-19T02:27:12.500Z'
---

## Overview

A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This affects the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation results in authentication bypass by capture-replay. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The reported GitHub issue was closed automatically with the label "not planned" by a bot.

## Remediation

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