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CVE-2026-77087— Paperclip before 0.3.1 Remote Code Execution via DNS Rebinding

Quick assessment

Affected
paperclipai paperclip
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Paperclip 0.3.1 之前的版本在默认的 local_trusted 模式下未能正确验证 Host 头，攻击者可利用 DNS 重绑定技术执行任意命令。攻击者可以构造一个恶意网页，当开发者在本地运行 Paperclip 时访问该页面，页面会通过 DNS 重绑定技术发起经过身份验证的 API 请求，并通过进程适配器执行命令。

CVSS 9.6 · Critical EPSS 0.40% · P33

Affected Version Matrix 2

VendorProduct Version RangeStatus
paperclipai paperclip < 0.3.1 affected
0.3.1 unaffected
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I. Basic Information for CVE-2026-77087

Vulnerability Information
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Vulnerability Title
Paperclip before 0.3.1 Remote Code Execution via DNS Rebinding
Source: CVE Program / CVE List V5
Vulnerability Description
Paperclip before 0.3.1 in default local_trusted mode fails to validate Host headers, allowing attackers to execute arbitrary commands via DNS rebinding. An attacker can craft a malicious webpage that, when visited by a developer running Paperclip locally, uses DNS rebinding to make authenticated API requests and execute commands through the process adapter.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
paperclipai paperclip 0 ~ 0.3.1 -

II. Public POCs for CVE-2026-77087

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7038 chars
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III. Intelligence Information for CVE-2026-77087

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Vendor Advisories for CVE-2026-77087 (2)

IV. Related Vulnerabilities

Same product: paperclip
Same vendor: paperclipai
Same weakness: CWE-862

V. Comments for CVE-2026-77087

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