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CVE-2026-16196— Sipeed PicoClaw web_fetch web.go isPrivateOrRestrictedIP server-side request forgery

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 0.2.0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版本存在服务端请求伪造漏洞，该漏洞源于web_fetch组件中pkg/tools/integration/web.go文件的isPrivateOrRestrictedIP函数存在服务端请求伪造问题。

CVSS 6.3 · Medium EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1105 · Ingress Tool Transfer

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-2026-16196

Vulnerability Information
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Vulnerability Title
Sipeed PicoClaw web_fetch web.go isPrivateOrRestrictedIP server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. This manipulation causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405. To fix this issue, it is recommended to deploy a patch.
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
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Sipeed PicoClaw 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sipeed picoclaw是Sipeed公司的嵌入式服务器。 Sipeed PicoClaw 0.2.0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版本存在服务端请求伪造漏洞，该漏洞源于web_fetch组件中pkg/tools/integration/web.go文件的isPrivateOrRestrictedIP函数存在服务端请求伪造问题。
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-2026-16196

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III. Intelligence Information for CVE-2026-16196

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Patches & Fixes for CVE-2026-16196 (2)

Other References for CVE-2026-16196 (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-2026-16197 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-2026-16082 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-918

V. Comments for CVE-2026-16196

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