CVE-2025-69225

LOW EPSS 14.4%
Published Jan 6, 20265mo ago · Modified Jun 17, 20262w ago
2.7 CVSS 4.0
Low
Find Similar
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
2.7
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

VendorProductVersionRange
aiohttpaiohttp* <3.13.3

References 2

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

Remediation

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