How severe is CVE-2026-15033?

CVE-2026-15033 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-15033 being actively exploited?

It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.

How do I fix CVE-2026-15033?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-15033 published?

CVE-2026-15033 was published on 2026-07-08.

CVE-2026-15033

CVE-2026-15033 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. The underlying weakness is classified as CWE-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Published: 2026-07-08
Last modified: 2026-07-08

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.

Frequently asked questions

What is CVE-2026-15033?: 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.
How severe is CVE-2026-15033?: CVE-2026-15033 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-15033 being actively exploited?: It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.
How do I fix CVE-2026-15033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-15033 published?: CVE-2026-15033 was published on 2026-07-08.

References

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