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CVE-2026-15320— Sipeed PicoClaw pico.go rt.ReloadConfig 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存在授权问题漏洞，该漏洞源于文件pkg/channels/pico/pico.go中函数rt.ReloadConfig对参数message.send存在授权缺失，可能导致远程攻击。以下版本受到影响：0.2.0版本、0.2.1版本、0.2.2版本、0.2.3版本、0.2.4版本、0.2.5版本、0.2.6版本、0.2.7版本、0.2.8版本和0.2.9版本。

CVSS 5.4 · Medium EPSS 0.40% · P32

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-2026-15320

Vulnerability Information
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Vulnerability Title
Sipeed PicoClaw pico.go rt.ReloadConfig authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. This vulnerability affects the function rt.ReloadConfig of the file pkg/channels/pico/pico.go. Performing a manipulation of the argument message.send results in missing authorization. It is possible to initiate the attack remotely. The exploit is now public 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:N/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存在授权问题漏洞，该漏洞源于文件pkg/channels/pico/pico.go中函数rt.ReloadConfig对参数message.send存在授权缺失，可能导致远程攻击。以下版本受到影响：0.2.0版本、0.2.1版本、0.2.2版本、0.2.3版本、0.2.4版本、0.2.5版本、0.2.6版本、0.2.7版本、0.2.8版本和0.2.9版本。
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-2026-15320

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-15320

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Vendor Advisories for CVE-2026-15320 (1)

Same Patch Batch · Sipeed · 2026-07-10 · 4 CVEs total

CVE-2026-15319 7.3 HIGH Sipeed PicoClaw Launcher access_control.go IPAllowlist access control
CVE-2026-15317 6.3 MEDIUM Sipeed PicoClaw Guarded Web Fetch Flow web.go WebFetchTool.Execute server-side request for
CVE-2026-15318 6.3 MEDIUM Sipeed PicoClaw MQTT Channel mqtt.go authorization

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-15320

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