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I. Basic Information for CVE-2026-34514
Vulnerability Information

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Vulnerability Title
AIOHTTP: CRLF injection in multipart part content type header construction
Source: NVD (National Vulnerability Database)
Vulnerability Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
HTTP头部中CRLF序列转义处理不恰当(HTTP响应分割)
Source: NVD (National Vulnerability Database)
Vulnerability Title
aiohttp 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
aiohttp是aio-libs开源的一个开源的用于 asyncio 和 Python 的异步 HTTP 客户端/服务器框架。 AIOHTTP 3.13.4之前版本存在注入漏洞,该漏洞源于攻击者可能通过控制content_type参数来注入额外标头或进行类似利用。
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
VendorProductAffected VersionsCPESubscribe
aio-libsaiohttp < 3.13.4 -
II. Public POCs for CVE-2026-34514
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III. Intelligence Information for CVE-2026-34514
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