Sipeed PicoClaw up to 0.2.9 LINE Webhook line.go webhook.ParseRequest authentication replay

Summaryinfo

A vulnerability has been found in Sipeed PicoClaw up to 0.2.9 and classified as problematic. This impacts the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. This manipulation causes authentication replay. This vulnerability is registered as CVE-2026-16083. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The reported GitHub issue was closed automatically with the label "not planned" by a bot.

Detailsinfo

A vulnerability has been found in Sipeed PicoClaw up to 0.2.9 and classified as problematic. Affected by this vulnerability is the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation with an unknown input leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect integrity.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-16083. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The reported GitHub issue was closed automatically with the label "not planned" by a bot.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Sipeed

Name

• PicoClaw

Version

• 0.2.0
• 0.2.1
• 0.2.2
• 0.2.3
• 0.2.4
• 0.2.5
• 0.2.6
• 0.2.7
• 0.2.8
• 0.2.9

Website

• Product: https://github.com/sipeed/picoclaw/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #852945: Sipeed PicoClaw <= 0.2.9 Authentication Bypass by Capture-replay (CWE-294) (by Eric-i)

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