CVE-2026-5602

Nor2-io heim-mcp new_heim_application tools.ts registerTools os command injection

CVSS 4.8 MEDIUMEPSS 0.8%CWE-77 CWE-78

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 4.8EPSS 0.8%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado

Lifecycle

05 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

Nor2-io · heim-mcp

public PoCs found — 1

cve_referencegithub.com/user-attachments/files/25889482/heim-mcp_bug.pdfunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/Nor2-io/heim-mcp/https://github.com/Nor2-io/heim-mcp/commit/c321d8af25f77668781e6ccb43a1336f9185df37 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://vuldb.com/submit/784862 https://vuldb.com/vuln/355394 https://vuldb.com/vuln/355394/cti