by Kastro
Paper/Archive/CVE-2026-77087

CVE-2026-77087

paperclipai paperclip — Paperclip before 0.3.1 Remote Code Execution via DNS Rebinding

EPSS 0.5%public exploitCVSS 9.6
critical.is priorityof 100
47
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 41.8.418 × 208.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
paperclip< 0.3.10.3.1CNA

Scores by source

VulnCheck (CNA)9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
VulnCheck (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/paperclipai/paperclip/security/advisories/GHSA-x8hx-rhr2-9rf7writeupvulncheck.com/advisories/paperclip-before-remote-code-execution-via-dns-rebinding