Vulnerability · Published Apr 5, 2026 · Assigned by VulDB
CVE-2026-5602Nor2-io heim-mcp new_heim_application tools.ts registerTools os command injection
Medium 5.3
In plain English
A medium-severity OS command injection in heim-mcp from Nor2-io. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @nor2/heim-mcp | no fix listed | GHSA-wx4p-jr66-jfp9 |
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-355394 | Nor2-io heim-mcp new_heim_application tools.ts registerTools os command injection vdb-entry, technical-description
- VDB-355394 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #784862 | Nor2-io heim-mcp <=0.1.3 Command Injection third-party-advisory
- https://github.com/Nor2-io/heim-mcp/issues/1 issue-tracking
- https://github.com/Nor2-io/heim-mcp/pull/2 issue-tracking, patch
- https://github.com/user-attachments/files/25889482/heim-mcp_bug.pdf exploit
- https://github.com/Nor2-io/heim-mcp/commit/c321d8af25f77668781e6ccb43a1336f9185df37 patch
- https://github.com/Nor2-io/heim-mcp/ product