CVE-2026-77087

Paperclip before 0.3.1 Remote Code Execution via DNS Rebinding

Published Aug 21, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:paperclip:paperclipai:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Paperclip
Paperclip paperclipai
Vendors & Products Paperclip
Paperclip paperclipai
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Paperclip before 0.3.1 Remote Code Execution via DNS Rebinding
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.4, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 1, 2026, 7:19 PM
Reserved
Aug 20, 2026, 10:55 AM
Status
Deferred
Published
Aug 21, 2026, 3:16 PM
Modified
Oct 15, 2026, 7:10 PM