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CVE-2026-108757— Nexting pinclaw through 0.3.0 Missing Authentication via POST /pinclaw/send

Quick assessment

Affected
Nexting pinclaw
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.

Nexting pinclaw OpenClaw 频道插件（版本 0.3.0 及之前）在 src/core/http-router.ts 文件中存在一个缺失身份验证的安全漏洞。该漏洞导致对 POST /pinclaw/send 请求未正确检查 authToken，从而允许未经认证的攻击者在默认绑定所有网络接口的端口 18790 上访问该服务。攻击者可通过此漏洞向用户的主要 OpenClaw 智能体会话注入盲提示（blind prompts），伪装成用户指令，从而可能被用于执行恶意操作。

CVSS 6.5 · Medium EPSS 0.23% · P13

Affected Version Matrix 1

VendorProduct Version RangeStatus
Nexting pinclaw ≤ 0.3.0 affected
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I. Basic Information for CVE-2026-108757

Vulnerability Information
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Vulnerability Title
Nexting pinclaw through 0.3.0 Missing Authentication via POST /pinclaw/send
Source: CVE Program / CVE List V5
Vulnerability Description
Nexting pinclaw OpenClaw channel plugin through 0.3.0 contains a missing authentication vulnerability in src/core/http-router.ts that skips the authToken check on POST /pinclaw/send. Unauthenticated attackers reaching port 18790, which binds all interfaces by default, can inject blind prompts into the user's main OpenClaw agent session as user instructions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nexting pinclaw 0 ~ 0.3.0 -

II. Public POCs for CVE-2026-108757

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III. Intelligence Information for CVE-2026-108757

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Patches & Fixes for CVE-2026-108757 (2)

Vendor Advisories for CVE-2026-108757 (1)

News Coverage for CVE-2026-108757 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-108757

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