Is there a public exploit for CVE-2026-111064?

No public exploit for CVE-2026-111064 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-111064?

CVE-2026-111064 scores CVSS 8.2 (v4.0), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.4%.

What does CVE-2026-111064 affect?

CVE-2026-111064 affects aio-libs aiohttp.

8.2 High

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.

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.

Assessment

CVSS: 8.2 (v4.0)
Severity: High
EPSS: 0.4% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 19 October 2026
Last updated: 28 October 2026
Affected: aio-libs · aiohttp
Weakness: CWE-770
Assigner: security-advisories@github.com

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

At the source

References

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