CVE-2026-67542

Heym builds and runs agentic systems and business-process automations on self-hosted infrastructure.

Heym builds and runs agentic systems and business-process automations on self-hosted infrastructure. Prior to version 0.0.70, POST /api/mcp/fetch-tools is reachable by any authenticated user (lowest role; no admin/workflow association) and fetches an attacker-supplied URL through the sse and streamable_http transports with no scheme / private-IP / allowlist / redirect guard. The transport error is reflected in the HTTP 422 response, giving a semi-blind SSRF oracle, and the…

11. Nov 2026

Ausgewertete Quellen

• NVD
  CVE-2026-67542