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HIGH7.3

PYSEC-2026-2104

Quick fix

PYSEC-2026-2104 — aiohttp: upgrade to the fixed version with the command below.

pip install --upgrade 'aiohttp>=3.14.0'

Details

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, using ``CookieJar.load()`` with untrusted input may allow arbitrary code execution. Most applications using this function will be doing so with the user's own data, so this is unlikely to affect many applications. Version 3.14.0 patches the issue. If an application does allow attacker controlled files to be loaded, a workaround on older releases would be to sanitize the files before loading.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/aiohttp
Introduced in: 0Fixed in: 3.14.0
Fixpip install --upgrade 'aiohttp>=3.14.0'

References