0.0
NA
CVE-2026-54273
AIOHTTP: HTTP/1 Pipelined Requests Queue Without Limit
Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS. This vulnerability is fixed in 3.14.1.

INFO

Published Date :

June 22, 2026, 4:41 p.m.

Last Modified :

June 22, 2026, 4:41 p.m.

Remotely Exploit :

No

Source :

GitHub_M
Affected Products

The following products are affected by CVE-2026-54273 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update aiohttp to version 3.14.1 or later to fix excessive memory usage.
  • Update aiohttp to the latest version.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-54273 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.