---
schema_version: '1.0'
id: security-20260711-a86bd4
url: https://osv.dev/vulnerability/GHSA-9x8q-7h8h-wcw9
url_hash: a86bd45b67272652152dbae9c9365670e83b94bfae2e6c256e661bd4ee4b584c
canonical_url: https://osv.dev/vulnerability/GHSA-9x8q-7h8h-wcw9
source: osv:ghsa
category: security/library
category_raw: cve/library
region: null
tags:
- cve
- CVE-2026-54280
- GHSA-9x8q-7h8h-wcw9
- severity: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
- aiohttp
- PyPI
lang: en
published_at: '2026-06-15T20:10:44Z'
fetched_at: '2026-07-11T06:37:17Z'
updated_at: '2026-07-11T06:38:28Z'
status: published
content_hash: a59a9093bfac8e82c8000bd92e52568ed0614d2f2182be37894c90c8af39256d
license_note: full
summary: 'aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect'
summary_source: rss
summary_en: 'aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect'
entities:
- name: payload.json
  type: artifact
- name: response.json
  type: artifact
- name: Computational Resources (technology
  type: technology
- name: area
  type: UNKNOWN
key_facts: []
related: []
related_auto:
- name: Japan's Service Industry Spirit
  type: UNKNOWN
  weight: 1.0
- name: vehicle
  type: artifact
  weight: 1.0
title: 'CVE-2026-54280: aiohttp: Payload Response Resources Are Not Closed After Mid-Body
  Disconnect'
---

# CVE-2026-54280: aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect

## TL;DR
aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect

## Key Points
- cve / CVE-2026-54280 / GHSA-9x8q-7h8h-wcw9 / severity: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 / aiohttp / PyPI

## Details
**Severity:** 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
**Advisory:** GHSA-9x8q-7h8h-wcw9 (CVE-2026-54280)

**Affected (your watchlist):**
- `PyPI:aiohttp` 3.13.3 → fixed in 3.14.1 [docker/docker-strands]

**Details:**
### 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

**References:**
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-9x8q-7h8h-wcw9
- https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587
- https://github.com/aio-libs/aiohttp

_Data: OSV.dev (upstream: ghsa) — https://osv.dev/vulnerability/GHSA-9x8q-7h8h-wcw9_

## Source
元記事: [CVE-2026-54280: aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect](https://osv.dev/vulnerability/GHSA-9x8q-7h8h-wcw9) — published 2026-06-15T20:10:44Z