CVE-2026-5602: NOR2-Io Heim-Mcp

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability was determined in Nor2-io heim-mcp up to 0.1.3. Impacted is the function registerTools of the file src/tools.ts of the component new_heim_application/deploy_heim_application/deploy_heim_application_to_cloud. This manipulation causes os command injection. The attack requires local access. The exploit has been publicly disclosed and may be utilized. Patch name: c321d8af25f77668781e6ccb43a1336f9185df37. It is suggested to install a patch to address this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Affected products

• NOR2-Io Heim-Mcp: version 0.1.0 only; version 0.1.1 only; version 0.1.2 only; version 0.1.3 only

Published 2026-04-05. Last modified 2026-07-24.