CVE-2025-46332— Information Disclosure via Flags override link
Quick assessment
Affected
vercel flags
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Flags SDK是Vercel开源的一个Vercel的Flags SDK。 Flags SDK 3.2.0及之前版本和@vercel/flags 3.1.1及之前版本存在信息泄露漏洞，该漏洞源于信息泄露，可能导致访问功能标志列表。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2025-46332
Vulnerability Information
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Vulnerability Title
Information Disclosure via Flags override link
Source: CVE Program / CVE List V5
Vulnerability Description
Flags SDK is an open-source feature flags toolkit for Next.js and SvelteKit. Impacted versions include flags from 3.2.0 and prior and @vercel/flags from 3.1.1 and prior as certain circumstances allows a bad actor with detailed knowledge of the vulnerability to list all flags returned by the flags discovery endpoint (.well-known/vercel/flags). This vulnerability allows for information disclosure, where a bad actor could gain access to a list of all feature flags exposed through the flags discovery endpoint, including the flag names, flag descriptions, available options and their labels (e.g. true, false), and default flag values. This issue has been patched in flags@4.0.0, users of flags and @vercel/flags should also migrate to flags@4.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Flags SDK 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flags SDK是Vercel开源的一个Vercel的Flags SDK。 Flags SDK 3.2.0及之前版本和@vercel/flags 3.1.1及之前版本存在信息泄露漏洞，该漏洞源于信息泄露，可能导致访问功能标志列表。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-46332
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-46332 (2)
-
Information disclosure in Flags SDK (CVE-2025-46332) - Vercel x_refsource_MISC
Other References for CVE-2025-46332 (1)
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V. Comments for CVE-2025-46332
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