CVE-2025-69225

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. This issue is fixed in version 3.13.3.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96	Patch
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mqqc-3gqh-h2x8	Vendor Advisory Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*

History

14 Jan 2026, 19:13

Type	Values Removed	Values Added
First Time		Aiohttp aiohttp Aiohttp
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.3
CPE		cpe:2.3:a:aiohttp:aiohttp::::::::
References	~~() https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96 -~~	() https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96 - Patch
References	~~() https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mqqc-3gqh-h2x8 -~~	() https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mqqc-3gqh-h2x8 - Vendor Advisory, Patch

06 Jan 2026, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-06 00:15

Updated : 2026-01-14 19:13

NVD link : CVE-2025-69225

Mitre link : CVE-2025-69225

CVE.ORG link : CVE-2025-69225

JSON object : View

Products Affected

aiohttp

aiohttp

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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