GitHub Advisoryadvisory · PyPI

GHSA-9x8q-7h8h-wcw9 aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect

LOW Published 2026-06-15 Modified 2026-06-15 Official page ↗
Aliases
CVE-2026-54280
Ecosystem
PyPI
Packages
aiohttp
Severity
Low
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
Weaknesses
CWE-404
Reviewed
2026-06-15

Affected packages

• PyPI aiohttp: < 3.14.1 → fixed in 3.14.1

Description

Summary Payload resources are not closed correctly when a client disconnects in the middle of a write. Impact 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. ----- Patch: https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587

Related

Alias · CVE (1)

  • CVE-2026-54280 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. vulnerability

Weakness · CWE (1)

  • CWE-404 Improper Resource Shutdown or Release weakness

References