OS Command Injection Vulnerability in publint Package Manager by Node.js
CVE-2026-16631

4.8MEDIUM

Key Information:

Vendor

Node.js

Status
Publint
Vendor
CVE Published:
22 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16631?

A vulnerability has been identified in the publint package manager affecting versions up to 0.1.4. This vulnerability is linked to the child_process.exec function within the src/node/pack.js file. It enables an attacker to execute arbitrary operating system commands through manipulated input. The exploitation of this vulnerability requires a local attack vector, making it essential for users to secure their environment. A patch has been released under commit adf2d9a09945fc98c85a2520a89f441d78b2dbd8, addressing this issue. It is recommended to update to the latest version of the software to mitigate risks.

Affected Version(s)

publint 0.1.0

publint 0.1.1

publint 0.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16631 - Proof of Concept

References

https://vuldb.com/vuln/382381
vdb-entrytechnical-description
https://vuldb.com/vuln/382381/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16631
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wjm2 (VulDB User)
VulDB CNA Team
.