CVE-2026-45805

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.

• CWE-749

• 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

Published

Jul 15, 2026

Last Modified

Jul 15, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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