Incorrect Authorization Affecting @withstudiocms/api-spec package, versions <0.3.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-WITHSTUDIOCMSAPISPEC-15518580
- published13 Mar 2026
- disclosed10 Mar 2026
- creditFilipeGaudard
Introduced: 10 Mar 2026
NewCVE-2026-30944 (opens in a new tab)How to fix?
Upgrade @withstudiocms/api-spec to version 0.3.0 or higher.
Overview
@withstudiocms/api-spec is an API Specification for StudioCMS
Affected versions of this package are vulnerable to Incorrect Authorization through the api-tokens endpoint, which allows an authenticated user with editor privileges or higher to generate API tokens for any user by specifying their user ID in the request body. An attacker can gain unauthorized access to higher-privileged accounts, including owner and admin, by generating tokens for those accounts and using them to access protected API endpoints.