Vulnerabilities CVE-2026-77087

CVE-2026-77087

Critical

Open

TLP:CLEAR

Paperclip before 0.3.1 Remote Code Execution via DNS Rebinding

NVD CVE.org

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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.

Details

CVSS Score: 9.4
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Confidence: 90%
Published: Aug 21, 2026
Last Modified: Aug 21, 2026

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