CVE-2025-69225
LOW EPSS 14.4%
Published Jan 6, 20265mo ago · Modified Jun 17, 20262w ago
2.7 CVSS 4.0
Published Jan 6, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
14.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-444
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| aiohttp | aiohttp | * | <3.13.3 |
References 2
- github.com https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96
- github.com https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mqqc-3gqh-h2x8
Remediation
- github.com https://github.com/aio-libs/aiohttp/commit/c7b7a044f88c71cefda95ec75cdcfaa4792b3b96
- github.com https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mqqc-3gqh-h2x8