HOMEVULNERABILITIESCVE-2026-5602
MEDIUM

CVE-2026-5602

CWE-77Published: April 5, 2026· Updated: Apr 7, 2026

5.3
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:18.0th

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.

NVD Source

Technical Analysis

CVE-2026-5602 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (8)

→
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

Quick Facts

CVE IDCVE-2026-5602
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-77
CISA KEVNo
EPSS (30d)0.06%
PublishedApr 5, 2026

Related CVEs (CWE-77)

CVE-2025-15379
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CVE-2026-20186
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CVE-2026-45663
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CVE-2026-26068
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CVE-2026-52806
KEV9.9
CVE-2026-20147
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-5602 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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