CVE-2026-15033: OS Command Injection in christopherthielen check-peer-dependencies
A flaw has been found in christopherthielen check-peer-dependencies up to 4.3.4. Affected by this vulnerability is the function shelljs.exec of the file dist/packageUtils.js of the component peerDependencies. This manipulation causes os command injection. The attack may be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.
AI Analysis
Technical Summary
This vulnerability in check-peer-dependencies up to version 4.3.4 allows an attacker to perform OS command injection via the shelljs.exec function in dist/packageUtils.js. The injection occurs in the peerDependencies component, enabling remote attackers to execute arbitrary commands on the affected system. The vulnerability was reported early to the project, but no official remediation or patch has been provided as of the publication date.
Potential Impact
Successful exploitation could allow an attacker with limited privileges to execute arbitrary operating system commands remotely, potentially leading to unauthorized actions on the affected system. The CVSS score of 5.3 reflects a medium impact with network attack vector, low complexity, and no user interaction required. However, the vulnerability requires some privileges (PR:L) and has limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
No official fix or patch is currently available, and the vendor has not responded to the issue report. Users should monitor the vendor's communications for updates and consider restricting access to the affected component or environment to trusted users only until a patch is released. Avoid running the affected versions (4.3.0 to 4.3.4) in untrusted environments.
CVE-2026-15033: OS Command Injection in christopherthielen check-peer-dependencies
Description
A flaw has been found in christopherthielen check-peer-dependencies up to 4.3.4. Affected by this vulnerability is the function shelljs.exec of the file dist/packageUtils.js of the component peerDependencies. This manipulation causes os command injection. The attack may be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.
CVSS v4.0
Score 5.3medium
Affected software
pkg:npm/christopherthielen/check-peer-dependenciescpe:2.3:a:christopherthielen:check-peer-dependencies:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in check-peer-dependencies up to version 4.3.4 allows an attacker to perform OS command injection via the shelljs.exec function in dist/packageUtils.js. The injection occurs in the peerDependencies component, enabling remote attackers to execute arbitrary commands on the affected system. The vulnerability was reported early to the project, but no official remediation or patch has been provided as of the publication date.
Potential Impact
Successful exploitation could allow an attacker with limited privileges to execute arbitrary operating system commands remotely, potentially leading to unauthorized actions on the affected system. The CVSS score of 5.3 reflects a medium impact with network attack vector, low complexity, and no user interaction required. However, the vulnerability requires some privileges (PR:L) and has limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
No official fix or patch is currently available, and the vendor has not responded to the issue report. Users should monitor the vendor's communications for updates and consider restricting access to the affected component or environment to trusted users only until a patch is released. Avoid running the affected versions (4.3.0 to 4.3.4) in untrusted environments.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-08T07:36:46.092Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4e50c9c9d9e3dbe32f6d99
Added to database: 07/08/2026, 13:29:45 UTC
Last enriched: 07/08/2026, 13:45:00 UTC
Last updated: 07/09/2026, 00:52:55 UTC
Views: 11
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