Access Control Bypass Affecting @kottster/common package, versions >=3.2.0 <3.3.2
Threat Intelligence
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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- published24 Oct 2025
- disclosed23 Oct 2025
- creditJeongwon Jo
Introduced: 23 Oct 2025
NewCVE-2025-62713 (opens in a new tab)How to fix?
Upgrade @kottster/common to version 3.3.2 or higher.
Overview
@kottster/common is a Common types and utilities for Kottster
Affected versions of this package are vulnerable to Access Control Bypass via the initApp and installPackagesForDataSource actions. An attacker can gain unauthorized administrative access and execute arbitrary system commands by repeatedly triggering application reinitialization to create a new root account, obtaining a JWT token, and leveraging unescaped command arguments.
Note:
This is only exploitable if the application is running in development mode and accessible to the attacker.
Workaround
This vulnerability can be mitigated by not exposing development servers to public networks or untrusted users, and by using production mode for any deployment accessible from outside trusted environments.