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CVE-2025-69226— AIOHTTP allows for a brute-force leak of internal static filepath components

Quick assessment

Affected
aio-libs aiohttp
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.

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 3.13.2及之前版本存在信息泄露漏洞，该漏洞源于路径规范化逻辑可能泄露绝对路径组件信息，可能导致路径遍历攻击。

AI Predicted 5.3 Difficulty: Easy EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2025-69226

Vulnerability Information
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Vulnerability Title
AIOHTTP allows for a brute-force leak of internal static filepath components
Source: CVE Program / CVE List V5
Vulnerability Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below enable an attacker to ascertain the existence of absolute path components through the path normalization logic for static files meant to prevent path traversal. If an application uses web.static() (not recommended for production deployments), it may be possible for an attacker to ascertain the existence of path components. This issue is fixed in version 3.13.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
aiohttp 信息泄露漏洞
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 3.13.2及之前版本存在信息泄露漏洞，该漏洞源于路径规范化逻辑可能泄露绝对路径组件信息，可能导致路径遍历攻击。
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
aio-libs aiohttp < 3.13.3 -

II. Public POCs for CVE-2025-69226

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III. Intelligence Information for CVE-2025-69226

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Patches & Fixes for CVE-2025-69226 (1)

Vendor Advisories for CVE-2025-69226 (1)

Same Patch Batch · aio-libs · 2026-01-05 · 8 CVEs total

CVE-2025-69223 7.5 HIGH AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb
CVE-2025-69230 AIOHTTP Vulnerable to Cookie Parser Warning Storm
CVE-2025-69227 AIOHTTP vulnerable to DoS when bypassing asserts
CVE-2025-69229 AIOHTTP vulnerable to DoS through chunked messages
CVE-2025-69225 AIOHTTP Regex Mismatch Allows Unicode in ASCII-Only Protocol Fields
CVE-2025-69224 AIOHTTP's Unicode processing of header values could cause parsing discrepancies
CVE-2025-69228 AIOHTTP vulnerable to denial of service through large payloads

IV. Related Vulnerabilities

Same product: aiohttp
Same vendor: aio-libs
Same weakness: CWE-22

V. Comments for CVE-2025-69226

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