CVE-2026-3484

Name: CVE-2026-3484
Creator: NVD / NIST
Published: 2026-03-03T20:16:50.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 2.57%

Last modified Jun 17, 2026

CVE-2026-3484 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A vulnerability was detected in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38. Affected by this issue is the function child_process.exec of the file src/index.ts of the component Nmap CLI Command Handler. EPSS estimates a 2.57% chance of exploitation in the next 30 days.

Description

A vulnerability was detected in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38. Affected by this issue is the function child_process.exec of the file src/index.ts of the component Nmap CLI Command Handler. The manipulation results in command injection. The attack may be performed from remote. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The patch is identified as 30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488. It is best practice to apply a patch to resolve this issue.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

2.57%

83.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phialsbasement	Mcp Nmap Server	<= 1.0.1

References

https://github.com/PhialsBasement/nmap-mcp-server/Product
https://github.com/PhialsBasement/nmap-mcp-server/commit/30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488Patch
https://github.com/PhialsBasement/nmap-mcp-server/issues/7Exploit, Issue Tracking
https://github.com/PhialsBasement/nmap-mcp-server/issues/7#issuecomment-3814382570Exploit, Issue Tracking
https://vuldb.com/?ctiid.348559Permissions Required, VDB Entry
https://vuldb.com/?id.348559Third Party Advisory, VDB Entry
https://vuldb.com/?submit.763773Third Party Advisory, VDB Entry
https://vuldb.com/?submit.763777Third Party Advisory, VDB Entry

Timeline

Published: Mar 3, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3484?

How severe is CVE-2026-3484?

CVE-2026-3484 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.57% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3484?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3484?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST