CVE-2026-100868

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...

CVE-2026-100868

Versions of Penpot prior to 2.18.0 are vulnerable to unauthenticated access via the MCP server plugin WebSocket bridge . In single-user mode, the bridge binds to all network interfaces without authentication, allowing unauthenticated attackers on adjacent networks to connect to the WebSocket port...

CVE-2026-100868: Binding to an Unrestricted IP Address

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...

PT-2026-99538

Name of the Vulnerable Software and Affected Versions Penpot versions prior to 2.18.0 Description In single-user mode, the MCP server plugin WebSocket bridge binds to all network interfaces without requiring authentication. This allows unauthenticated attackers on adjacent networks to connect to...