VULNERABILITY INTELLIGENCE
CVE-2026-77087
CVSS score9.4 CRITICAL
EPSS probability0.49%
CISA KEVNot currently listed
Published2026-08-21
Last modified2026-10-15
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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.
Weakness classification
- CWE-862: Missing Authorization