CVE-2026-111064High· 8.2▾ TwilightAIOHTTP 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 befo…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 21.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.4%
8.2 → 7.5
Last analysed / modified upstream
7.5 → 8.2
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.
aiohttp < 3.14.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
aiohttp < 3.14.4Patched in:
aiohttp 3.14.4Source: https://osv.dev/vulnerability/GHSA-5wr8-gcqf-gqf3
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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