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CVE-2026-77087: paperclip 0 to before 0.3.1
CVE-2026-77087. CVSS 3.1 base score 9.6 (CRITICAL, Vendor/CNA). EPSS 0.00486 (percentile 0.4029), scored 14-Oct-2026.
Affected technology
paperclip · 0 to before 0.3.1
paperclipai
Description’s affected range: before 0.3.1 in default local_trusted mode fails to validate Host headers
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction
What an attacker can do
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. Vendor/CNA’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-862
- CCR priority
- 38.5 /100 (P4)
- CVSS 3.1
- 9.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00486 · percentile 0.4029 · 2026-10-14
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 20:17:11.213245+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-77087.html