RCE in Paperclip Paperclipai
CVE-2026-41679
Paperclip is a Node.js server and React UI that orchestrates a team of AI agents to run a business. Prior to version 2026.416.0, an unauthenticated attacker can achieve full remote code execution on any network-accessible Paperclip instance running in `authenticated` mode with default configuration. No user interaction, no credentials, just the target's address. The chain consists of six API calls. The attack is fully automated, requires no user interaction, and works against the default deployment configuration. Version 2026.416.0 patches the issue.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.074 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.074 · change: +0.027
Affected products
- Paperclip Paperclipai
- Paperclip Paperclipai\/server
- Paperclipai Paperclip — versions < 2026.410.0
- Paperclipai @Paperclipai/server — versions < 2026.410.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/paperclipai/paperclip/security/advisories/GHSA-68qg-g8mg-6pr7 (Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2026-41679?
- CVE-2026-41679 is a critical-severity vulnerability in Paperclip Paperclipai, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-04-23.
- How severe is CVE-2026-41679?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2026-41679 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.