CVE-2025-46332— Information Disclosure via Flags override link
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
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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- Information disclosure in Flags SDK (CVE-2025-46332) - Vercelx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2025-46332
IV. Related Vulnerabilities
Same vendor: vercel
- CVE-2026-29057
Next.js: HTTP request smuggling in rewrites - CVE-2026-27980
Next.js: Unbounded next/image disk cache growth can exhaust - CVE-2026-27979
Next.js: Unbounded postponed resume buffering can lead to Do - CVE-2026-27978
Next.js: null origin can bypass Server Actions CSRF checks - CVE-2026-27977
Next.js: null origin can bypass dev HMR websocket CSRF check
Same weakness: CWE-200
- CVE-2026-42333
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AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (ID - CVE-2026-41520
Cillium exposes sensitive information included in the cilium - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro
V. Comments for CVE-2025-46332
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