CVE-2025-24033— @fastify/multipart vulnerable to unlimited consumption of resources
Quick assessment
Affected
fastify fastify-multipart
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
fastify-multipart是一款支持解析多个内容类型的软件包。 fastify-multipart 8.3.0及之前版本和9.0.0至9.0.3之前版本存在安全漏洞，该漏洞源于当用户取消请求时，saveRequestFiles函数不会删除已上传的临时文件。
Possible ATT&CK Techniques 1 AI
T1485 · Data Destruction
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I. Basic Information for CVE-2025-24033
Vulnerability Information
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Vulnerability Title
@fastify/multipart vulnerable to unlimited consumption of resources
Source: CVE Program / CVE List V5
Vulnerability Description
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the `saveRequestFiles` function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use `saveRequestFiles`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
fastify-multipart 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fastify-multipart是一款支持解析多个内容类型的软件包。 fastify-multipart 8.3.0及之前版本和9.0.0至9.0.3之前版本存在安全漏洞，该漏洞源于当用户取消请求时，saveRequestFiles函数不会删除已上传的临时文件。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| fastify | fastify-multipart | < 8.3.1 | - |
|
II. Public POCs for CVE-2025-24033
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
Qwen3.6-35B-A3B
· 8663 chars
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III. Intelligence Information for CVE-2025-24033
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Patches & Fixes for CVE-2025-24033 (1)
Vendor Advisories for CVE-2025-24033 (1)
News Coverage for CVE-2025-24033 (1)
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V. Comments for CVE-2025-24033
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