CVE-2026-54280
Published:June 22, 2026
Updated:June 26, 2026
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, payload resources are not closed correctly when a client disconnects in the middle of a write. If a payload is using an open file or similar limited resource, then an attacker may be able to cause resource starvation temporarily until garbage collection or similar closes the file. This vulnerability is fixed in 3.14.1.
Affected Packages
aiohttp (CONDA):
Affected version(s) >=2.0.7 <3.14.1Fix Suggestion:
Update to version 3.14.1aiohttp (CONDA):
Affected version(s) >=2.0.7 <3.14.1Fix Suggestion:
Update to version 3.14.1https://github.com/aio-libs/aiohttp.git (GITHUB):
Affected version(s) >=v0.1 <v3.14.1Fix Suggestion:
Update to version v3.14.1aiohttp (PYTHON):
Affected version(s) >=0.1 <3.14.1Fix Suggestion:
Update to version 3.14.1Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
1.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
UNREPORTED
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Improper Resource Shutdown or Release
EPSS
Base Score:
0.25