CVE-2026-111064: DoS

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive timeout handling is absent during the initial portion of a request. An attacker can keep an idle connection open indefinitely before sending any request data, consuming server connection capacity. This issue is fixed in version 3.14.4.

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Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://github.com/aio-libs/aiohttp/commit/be846822b4b3a5a54b6163e794b42dc06fba54a3 https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4 https://github.com/aio-libs/aiohttp/security/advisories/GHSA-5wr8-gcqf-gqf3

Frequently Asked Questions

What is CVE-2026-111064? +

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive timeout handling is absent during the initial portion of a request. An attacker can keep an idle connection open indefinitely before sending any request data, consuming server connection capacity. This issue is fixed in version 3.14.4.

How do I check if I'm vulnerable to CVE-2026-111064? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-111064