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Medium nvd · CVE-2026-100868

CVE-2026-100868: Penpot before 2.18.0 binds the MCP server plugin WebSocket bridge to all network interfaces without authentication in si

Published Sep 27, 2026 CVSS 5.3

Penpot before 2.18.0 binds the MCP server plugin WebSocket bridge to all network interfaces without authentication in single-user mode. Unauthenticated attackers on adjacent networks can connect to the WebSocket port to impersonate the Penpot browser plugin, intercept task payloads, and return forged results to the MCP client.

Affected AI Products

mcp server
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