CVE-2026-54275: Improper Validation of Certificate with Host Mismatch

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the serverhostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request serverhostname...

PT-2026-109450

Уязвимость HTTP-клиента Aiohttp связана с некорректной обработкой сильно сжатых входных данных. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

Linux Distros Unpatched Vulnerability : CVE-2026-54273

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-54274: Allocation of Resources Without Limits or Throttling

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, if an attacker sends large incomplete websocket frame payloads, it may be possible to bypass the usual size limits on memory use. This vulnerability is fixed in 3.14.1...

Linux Distros Unpatched Vulnerability : CVE-2026-54274

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, if an attacker sends large incomplete websocket frame payloads,...

PT-2026-109449

Уязвимость HTTP-клиента Aiohttp связана с выделением неограниченной памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

CVE-2026-54276: Exposure of Sensitive Information to an Unauthorized Actor

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, DigestAuthMiddleware can send an authentication response after following a cross-origin redirect. This likely requires an open redirect vulnerability or similar on the target domain for an attacker to...

CVE-2026-54278: Improper Handling of Highly Compressed Data (Data Amplification)

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to be decompressed into memory in one chunk. An attacker may be able to send a compressed payload in specific situations that could be...

PT-2026-109451

Уязвимость HTTP-клиента Aiohttp связана с ошибками инициализации памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

Linux Distros Unpatched Vulnerability : CVE-2026-54277

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, it is possible to bypass the maxlinesize check in parts of an...

Linux Distros Unpatched Vulnerability : CVE-2026-54278

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to ...

PT-2026-109447

Уязвимость HTTP-клиента Aiohttp связана с выделением неограниченной памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

PT-2026-109452

Уязвимость HTTP-клиента Aiohttp связана с ошибками при освобождении ресурсов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

Linux Distros Unpatched Vulnerability : CVE-2026-54275

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the serverhostname TLS SNI check can be bypassed when an existi...

Security Bulletin: Security vulnerability in Python affects IBM Robotic Process Automation and IBM Robotic Process Automation for Cloud Pak

Summary A security vulnerability in Python affects IBM Robotic Process Automation and IBM Robotic Process Automation for Cloud Pak. Python is used by IBM Robotic Process Automation and IBM Robotic Process Automation for Cloud Pak as part of its deployment. This bulletin identifies the fixes...

actscene-ocr (>=0.1.3, <=0.1.5), agentkb (>=0.1.0, <=0.3.0) +174 more potentially affected by CVE-2026-54911 via ujson (>=5.0.0, <=5.12.1)

ujson PYPI version =5.0.0, =0.1.3, =0.1.0, =2.0.1, =0.1.0, =1.3.12, =1.0.5, =0.1.0a2, =0.0.1, =1.0.0, =1.0.1 and more Source cves: CVE-2026-54911 Source advisory: SNYK:PYTHON-UJSON-17391481...

aiohttp-rapid (0.0.0), sap-computer-vision-package (>=1.0.12, <=1.1.7) potentially affected by CVE-2026-54911 via ujson (4.0.0)

ujson PYPI version 4.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on ujson and may be impacted: - aiohttp-rapid 0.0.0 - sap-computer-vision-package =1.0.12, =1.1.7 Source cves: CVE-2026-54911 Source advisory: OSV:GHSA-3J69-69WJ-XQX2...

OPENSUSE-SU-2026:21098-1 Security update for python-aiohttp

This update for python-aiohttp fixes the following issues - CVE-2026-22815: insufficient header/trailer handling can cause a denial of service bsc1261320. - CVE-2026-34513: unbounded DNS cache can cause a denial of service bsc1261321. - CVE-2026-34514: contenttype parameter manipulation can lead ...

SUSE-SU-2026:22173-1 Security update for python-aiohttp

This update for python-aiohttp fixes the following issues - CVE-2026-22815: insufficient header/trailer handling can cause a denial of service bsc1261320. - CVE-2026-34513: unbounded DNS cache can cause a denial of service bsc1261321. - CVE-2026-34514: contenttype parameter manipulation can lead ...

PT-2026-50480

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description An issue exists where the process picture url function in backend/open webui/utils/oauth.py performs URL validation only on the initial URL. Subsequently, it uses aiohttp.ClientSession.get without...