Incorrect Authorization Affecting @studiocms/s3-storage package, versions <0.3.1
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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- published16 Mar 2026
- disclosed11 Mar 2026
- creditrestriction
Introduced: 11 Mar 2026
NewCVE-2026-32101 (opens in a new tab)How to fix?
Upgrade @studiocms/s3-storage to version 0.3.1 or higher.
Overview
@studiocms/s3-storage is an Add S3 Storage Support into your StudioCMS project.
Affected versions of this package are vulnerable to Incorrect Authorization via the S3ApiService POST/PUT handlers in the S3 storage manager. An attacker can gain full S3 file management (upload, delete, rename, list) by invoking those endpoints as a visitor because the async isAuthorized check was never awaited.