Vulnerabilities CVE-2026-45805

CVE-2026-45805

High

Open

TLP:CLEAR

Penpot: MCP REPL server binds to 0.0.0.0 with unauthenticated /execute endpoint — RCE

NVD CVE.org

Critical Infrastructure

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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.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 0.23%

13.7th percentile
CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Jul 15, 2026
Last Modified: Jul 15, 2026

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