Vulnerability library
Security checkMarch 12, 2026

StudioCMS: REST API Missing Rank Check Allows Admin to Create Peer Admin Accounts

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Medium severitynpmstudiocms

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Description

The REST API createUser endpoint uses string-based rank checks that only block creating owner accounts, while the Dashboard API uses indexOf-based rank comparison that prevents creating users at or above your own rank.

Recommendation

Update the studiocms package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 0.4.2
  • Patched version(s): 0.4.3

References

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Related Issues

See something that needs correcting? Let us knowUpdated March 12, 2026