Vulnerability Description
Penpot is an open-source design tool for design and code collaboration. Prior to 2.15.0, Penpot MCP's mcp/packages/server/src/ReplServer.ts bound the ReplServer to 0.0.0.0:4403 and exposed an unauthenticated /execute endpoint that passed the code field to PluginBridge.executePluginTask(), allowing anyone on the network to execute JavaScript on the server. This issue is fixed in version 2.15.0.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/penpot/penpot/commit/798ee46b4a84ee6dfc756b001f33acbe0280d62f
- https://github.com/penpot/penpot/issues/9518
- https://github.com/penpot/penpot/releases/tag/2.15.0
- https://github.com/penpot/penpot/security/advisories/GHSA-22qr-rp27-j9wm
- https://github.com/penpot/penpot/security/advisories/GHSA-22qr-rp27-j9wm
FAQ
What is CVE-2026-45805?
CVE-2026-45805 is a vulnerability with a CVSS score of 8.8 (HIGH). Penpot is an open-source design tool for design and code collaboration. Prior to 2.15.0, Penpot MCP's mcp/packages/server/src/ReplServer.ts bound the ReplServer to 0.0.0.0:4403 and exposed an unauthen...
How severe is CVE-2026-45805?
CVE-2026-45805 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45805?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.