CVE-2026-3484: A vulnerability was detected in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38

Q: How do I fix CVE-2026-3484?

mcp nmap server: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-3484 being exploited?

CVE-2026-3484 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-3484 affect?

CVE-2026-3484 affects mcp nmap server. Severity is medium (CVSS 6.3). 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

Q: How urgent is CVE-2026-3484?

Priority 49/100. Public exploit reference

This month

MEDIUM 6.3UPGRADE

CVE-2026-3484 is a medium-severity flaw (CVSS 6.3) affecting mcp nmap server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 upda

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2026-03-03
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: phialsbasement

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-03 20:16 UTCPublished CVE record published
2026-06-17 10:43 UTCUpdated Record last modified

phialsbasement mcp nmap server UPGRADE

Affected: <= 1.0.1

Fixed in: newer than 1.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mcp-nmap-server || rpm -q mcp-nmap-server || mcp-nmap-server --version

2. UPGRADE to newer than 1.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mcp-nmap-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mcp-nmap-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-3484?

mcp nmap server: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Is CVE-2026-3484 being exploited?

CVE-2026-3484 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-3484 affect?

CVE-2026-3484 affects mcp nmap server. Severity is medium (CVSS 6.3). 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

How urgent is CVE-2026-3484?

Priority 49/100. Public exploit reference

References

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