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CVE-2026-111750

Updated on 19 Oct 2026

Severity

6.3 Medium severity

Details

CVSS score
6.3
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/E:X/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
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

Summary

The pure Python parser is vulnerable to an HTTP request smuggling attack.

Impact

If users are using the Python parser (AIOHTTP_NO_EXTENSIONS, or not a standard wheel installed), then an application may be vulnerable to a request smuggling attack.

Workaround

Switch to the default C parser.

Details

Affected product:
aiobotocore , aiohttp , apache-airflow-providers-http
Affected packages:
aiohttp @ 3.8.1 (+11 more)