OS Command Injection Vulnerability in jsforce Library by jsforce
CVE-2026-16489

4.8MEDIUM

Key Information:

Vendor

jsforce

Status
Jsforce
Vendor
CVE Published:
21 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16489?

A vulnerability has been discovered in the jsforce library, specifically in the function _execCommand located in lib/registry/sfdx.js. This flaw allows for os command injection, posing a risk to local environments where the code is executed. Exploitation of this vulnerability can lead to unauthorized command execution on the host system. The issue has been acknowledged by the project maintainers following a report, but no remediation has been provided as of yet. Users of jsforce up to version 3.10.16 should be aware of this vulnerability and take necessary precautions to mitigate potential risks.

Affected Version(s)

jsforce 3.10.0

jsforce 3.10.1

jsforce 3.10.2

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-2026-16489 - Proof of Concept

References

https://vuldb.com/vuln/380946
vdb-entrytechnical-description
https://vuldb.com/vuln/380946/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16489
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
.