Vulnerability library
Security checkMarch 11, 2026

StudioCMS: IDOR — Arbitrary API Token Revocation Leading to Denial of Service

Understand the exposure, see the recommended fix, and check whether your own website has related weaknesses.

High severitynpmstudiocms

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

Description

The DELETE /studiocms_api/dashboard/api-tokens endpoint allows any authenticated user with editor privileges or above to revoke API tokens belonging to any other user, including admin and owner accounts. The handler accepts tokenID and userID directly from the request payload without verifying token ownership, caller identity, or role hierarchy.

Recommendation

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

  • Affected version(s): <= 0.3.0
  • Patched version(s): 0.4.0

References

Could your website be exposed too?

SmartScanner can check your website for StudioCMS: IDOR — Arbitrary API Token Revocation Leading to Denial of Service and gives you actionable findings to investigate.

Start a free scan

Related Issues

See something that needs correcting? Let us knowUpdated March 11, 2026