CVE-2026-15033: Christopherthielen Check-Peer-Dependencies

Medium severity, CVSS 6.3. EPSS: 1.8% chance of exploitation in the next 30 days.

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.

Affected products

• Christopherthielen Check-Peer-Dependencies: version 4.3.0 only; version 4.3.1 only; version 4.3.2 only; version 4.3.3 only; version 4.3.4 only

Published 2026-07-08. Last modified 2026-07-08.