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CVE-2026-16197— Sipeed PicoClaw Group Message feishu_64.go handleMessageReceive authorization

Quick assessment

Affected
Sipeed PicoClaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sipeed picoclaw是Sipeed公司的嵌入式服务器。 Sipeed PicoClaw 0.2.9及之前版本存在授权问题漏洞，该漏洞源于Group Message Handler组件中文件pkg/channels/feishu/feishu_64.go的handleMessageReceive函数缺少授权，可能导致远程攻击。

CVSS 6.3 · Medium EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProduct Version RangeStatus
Sipeed PicoClaw 0.2.0 affected
0.2.1 affected
0.2.2 affected
0.2.3 affected
0.2.4 affected
0.2.5 affected
0.2.6 affected
0.2.7 affected
… +2 more rows
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I. Basic Information for CVE-2026-16197

Vulnerability Information
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Vulnerability Title
Sipeed PicoClaw Group Message feishu_64.go handleMessageReceive authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu_64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The reported GitHub issue was closed automatically due to inactivity.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Sipeed PicoClaw 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sipeed picoclaw是Sipeed公司的嵌入式服务器。 Sipeed PicoClaw 0.2.9及之前版本存在授权问题漏洞，该漏洞源于Group Message Handler组件中文件pkg/channels/feishu/feishu_64.go的handleMessageReceive函数缺少授权，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sipeed PicoClaw 0.2.0 cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16197

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III. Intelligence Information for CVE-2026-16197

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News Coverage for CVE-2026-16197 (1)

Same Patch Batch · Sipeed · 2026-07-18 · 9 CVEs total

CVE-2026-16084 7.3 HIGH Sipeed PicoClaw web.go web_fetch server-side request forgery
CVE-2026-16195 6.3 MEDIUM Sipeed PicoClaw Group Message wecom.go dispatchIncoming authorization
CVE-2026-16196 6.3 MEDIUM Sipeed PicoClaw web_fetch web.go isPrivateOrRestrictedIP server-side request forgery
CVE-2026-16198 5.6 MEDIUM Sipeed PicoClaw First Run Setup access_control.go authentication bypass
CVE-2026-16083 5.3 MEDIUM Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay
CVE-2026-16082 5.3 MEDIUM Sipeed PicoClaw pipeline_execute.go ExecTool.executeRun toctou
CVE-2026-16085 5.3 MEDIUM Sipeed PicoClaw context.go NewContextBuilder inclusion of functionality from untrusted con
CVE-2026-16081 4.3 MEDIUM Sipeed PicoClaw auth.go cross-site request forgery

IV. Related Vulnerabilities

Same product: PicoClaw
Same vendor: Sipeed
Same weakness: CWE-862

V. Comments for CVE-2026-16197

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