PT-2026-29610 · Aiohttp+1 · Aiohttp+1
CVSS v4.0
6.9
Medium
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/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 |
Name of the Vulnerable Software and Affected Versions
AIOHTTP versions prior to 3.13.4
Description
Multiple Host headers were permitted in AIOHTTP, potentially allowing a reverse proxy's security rules to be bypassed. This could lead to a request being processed by AIOHTTP in a privileged sub application when using
Application.add domain() if the proxy and AIOHTTP process different host names.Recommendations
Update to AIOHTTP version 3.13.4 or later.
Exploit
Fix
DoS
RCE
HTTP Request/Response Smuggling
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Related Identifiers
Affected Products
Aiohttp
Red Os