RCE in Nor2-Io Heim-Mcp
CVE-2026-5602
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.011 (64.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.011 · change: +0.002
Affected products
- Nor2-Io Heim-Mcp — versions 0.1.0, 0.1.1, 0.1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/355394 (technical-description, vdb-entry)
- vuldb.com/vuln/355394/cti (signature, permissions-required)
- vuldb.com/submit/784862 (third-party-advisory)
- github.com/Nor2-io/heim-mcp/issues/1 (issue-tracking)
- github.com/Nor2-io/heim-mcp/pull/2 (issue-tracking, patch)
- github.com/user-attachments/files/25889482/heim-mcp_bug.pdf (exploit)
- github.com/Nor2-io/heim-mcp/commit/c321d8af25f77668781e6ccb43a1336f9185df37 (patch)
- github.com/Nor2-io/heim-mcp/ (product)
Frequently asked questions
- What is CVE-2026-5602?
- CVE-2026-5602 is a medium-severity vulnerability in Nor2-Io Heim-Mcp, classified under Command Injection. CVSS score: 5.3/10. Published 2026-04-05.
- How severe is CVE-2026-5602?
- Medium severity. CVSS v3 base score is 5.3 out of 10.