CVE-2026-77087

CVSS 9.6 (critical) · published 2026-08-21

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: CWE-862

Source: NVD CVE-2026-77087

References

• https://github.com/paperclipai/paperclip/security/advisories/GHSA-x8hx-rhr2-9rf7
• https://www.vulncheck.com/advisories/paperclip-before-remote-code-execution-via-dns-rebinding
• https://github.com/paperclipai/paperclip/security/advisories/GHSA-x8hx-rhr2-9rf7

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