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CVE-2026-54273

Medium priority
Needs evaluation

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...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-50269

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.0, attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-47265

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the `cookies` parameter on requests are sent after following a cross-origin redirect. If a developer uses...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34993

Medium priority
Needs evaluation

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...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34525

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4.

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34520

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34519

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34518

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34517

Medium priority
Needs evaluation

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, for some multipart form fields, aiohttp read the entire field into memory before checking client_max_size. This issue has...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34516

Medium priority

Some fixes available 5 of 7

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, a response with an excessive number of multipart headers may be allowed to use more memory than intended, potentially...

1 affected package

python-aiohttp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
python-aiohttp Fixed Fixed Fixed Fixed Fixed
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