Authorization Bypass Through User-Controlled Key Affecting @studiocms/s3-storage package, versions <0.3.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-JS-STUDIOCMSS3STORAGE-15627224
  • published15 Mar 2026
  • disclosed12 Mar 2026
  • creditFilipeGaudard, Adam Matthiesen

Introduced: 12 Mar 2026

NewCVE-2026-32103  (opens in a new tab)
CWE-639  (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 Authorization Bypass Through User-Controlled Key in the create-reset-link process. An attacker can gain unauthorized access to higher-privileged accounts by generating a password reset token for any user, including those with greater privileges, and then resetting their password using the token.

CVSS Base Scores

version 4.0
version 3.1