Exposure of Sensitive System Information to an Unauthorized Control Sphere Affecting flags package, versions <4.0.0
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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Test your applications- Snyk IDSNYK-JS-FLAGS-10182221
- published20 May 2025
- disclosed2 May 2025
- creditUnknown
Introduced: 2 May 2025
NewCVE-2025-46332 (opens in a new tab)How to fix?
Upgrade flags to version 4.0.0 or higher.
Overview
flags is a Flags SDK by Vercel - The feature flags toolkit for Next.js and SvelteKit
Affected versions of this package are vulnerable to Exposure of Sensitive System Information to an Unauthorized Control Sphere through the verifyAccess function. An attacker can gain access to flag names, flag descriptions, available options and their labels, and default flag values, which are exposed through the flags discovery endpoint.