WS-2026-0114
Published:October 07, 2026
Updated:October 13, 2026
aiohttp before 3.14.4: when the server receives an absolute-form request target (e.g. GET https://host/path), Request.scheme is taken from the attacker-supplied URL instead of the transport, so an http request can report scheme https and spoof secure-context checks (redirect/cookie/URL building). (GHSA-f9xw-jh8m-3mwq)
Affected Packages
aiohttp (CONDA):
Affected version(s) >=3.8.3 <3.14.4Fix Suggestion:
Update to version 3.14.4https://github.com/aio-libs/aiohttp.git (GITHUB):
Affected version(s) >=v3.8.2a0 <v3.14.4Fix Suggestion:
Update to version v3.14.4aiohttp (PYTHON):
Affected version(s) >=3.8.2 <3.14.4Fix Suggestion:
Update to version 3.14.4Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Reliance on Untrusted Inputs in a Security Decision