#VU120993 Inconsistent interpretation of HTTP requests in aiohttp - CVE-2025-69225

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Main Vulnerability Database Vulnerabilities #VU120993

#VU120993 Inconsistent interpretation of HTTP requests in aiohttp - CVE-2025-69225

Published: January 6, 2026


Vulnerability identifier: #VU120993
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-69225
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
aiohttp
Software vendor:
aio-libs

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to the application allows non-ASCII decimals to be present in the Range header. A remote attacker can send a specially crafted HTTP request to the server and potentially smuggle arbitrary HTTP headers.



Remediation

Install updates from vendor's website.

External links