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CVE-2026-16082— Sipeed PicoClaw pipeline_execute.go ExecTool.executeRun toctou

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及之前版本存在竞争条件问题漏洞，该漏洞源于文件pkg/agent/pipeline_execute.go中函数ExecTool.executeRun内参数cwe的处理导致检查时间与使用时间冲突（TOCTOU），可能允许本地攻击者利用竞争条件进行攻击。

CVSS 5.3 · Medium EPSS 0.12% · P2

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-2026-16082

Vulnerability Information
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Vulnerability Title
Sipeed PicoClaw pipeline_execute.go ExecTool.executeRun toctou
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Sipeed PicoClaw up to 0.2.9. The impacted element is the function ExecTool.executeRun of the file pkg/agent/pipeline_execute.go. The manipulation of the argument cwe leads to time-of-check time-of-use. The attack must be carried out locally. The exploit is publicly available and might be used. The reported GitHub issue was closed automatically with the label "not planned" by a bot.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Sipeed PicoClaw 竞争条件问题漏洞
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及之前版本存在竞争条件问题漏洞，该漏洞源于文件pkg/agent/pipeline_execute.go中函数ExecTool.executeRun内参数cwe的处理导致检查时间与使用时间冲突（TOCTOU），可能允许本地攻击者利用竞争条件进行攻击。
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-2026-16082

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III. Intelligence Information for CVE-2026-16082

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Proof of Concept for CVE-2026-16082 (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-2026-16197 6.3 MEDIUM Sipeed PicoClaw Group Message feishu_64.go handleMessageReceive authorization
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-2026-16085 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-367

V. Comments for CVE-2026-16082

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