PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38 Nmap CLI Command src/index.ts child_process.exec command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.11

Summaryinfo

A vulnerability, which was classified as critical, has been found in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38. This affects the function child_process.exec of the file src/index.ts of the component Nmap CLI Command Handler. This manipulation causes command injection. The identification of this vulnerability is CVE-2026-3484. It is possible to initiate the attack remotely. There is no exploit available. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38. It has been declared as critical. Affected by this vulnerability is the function child_process.exec of the file src/index.ts of the component Nmap CLI Command Handler. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-3484. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Applying the patch 30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9317). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488

Timelineinfo

03/03/2026 Advisory disclosed
03/03/2026 +0 days VulDB entry created
03/06/2026 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-3484 (🔒)
GCVE (CVE): GCVE-0-2026-3484
GCVE (VulDB): GCVE-100-348559
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20130625

Entryinfo

Created: 03/03/2026 16:21
Updated: 03/06/2026 12:03
Changes: 03/03/2026 16:21 (25), 03/03/2026 16:22 (34), 03/03/2026 22:16 (1), 03/04/2026 23:00 (30), 03/06/2026 03:19 (11), 03/06/2026 12:03 (1)
Complete: 🔍
Submitter: Yinci Chen
Cache ID: 216:C2A:103

Submitinfo

Accepted

  • Submit #763773: PhialsBasement nmap-mcp-server <=1.0.1 Command Injection (by Yinci Chen)

Duplicate

Be aware that VulDB is the high quality source for vulnerability data.

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