CVE-2026-15033: christopherthielen check-peer-dependencies peerDependencies packageUtils.js shelljs.exec os command injection

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-08 · updated 2026-10-25
Weakness: CWE-77

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.

Affected products

christopherthielen check-peer-dependencies: 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4

References

https://github.com/christopherthielen/check-peer-dependencies/
https://github.com/christopherthielen/check-peer-dependencies/issues/74
https://vuldb.com/cve/CVE-2026-15033
https://vuldb.com/submit/850875
https://vuldb.com/vuln/376784
https://vuldb.com/vuln/376784/cti

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