aiohttp < 3.14.3 Out-of-bounds Read DoS

The version of aiohttp installed on the remote host is prior to 3.14.3. It is, therefore, affected by a denial of service vulnerability: - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.3, an out-of-bounds heap read could occur in the C response pars...

Exploit for CVE-2026-69243

CVE-2026-69243 — aiohttp Request Smuggling CWE-444 Request...

aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load()

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python. An attacker could exploit this vulnerability by providing untrusted input to the CookieJar.load function. This could potentially lead to arbitrary code execution, allowing the attacker to run malicio...

CLSA-2026-1784769517 TuxCare security update for aiohttp (2 CVEs)

TuxCare rebuilt aiohttp to address 2 CVEs. Fixed in 3.8.4.post5+tuxcare...

CLSA-2026-1780274962 TuxCare security update for aiohttp (1 CVE)

TuxCare rebuilt aiohttp to address 1 CVE. Fixed in 3.8.1.post9+tuxcare...

PYSEC-2026-3546 AIOHTTP: HTTP request smuggling via WebSocket upgrade

Summary The HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades. Impact If using the server-side component, it may be possible for an attacker to execute a request smuggling vulnerability using an edge case in the WebSocket upgrade procedure. AIOHTT is unawar...

Linux Distros Unpatched Vulnerability : CVE-2026-69243

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 3.14.2, the HTTP parsers were vulnerable to a request smuggling attack...

RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update (Important) (RHSA-2026:50319)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:50319 advisory. Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT...

CVE-2026-69243

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades. If using the server-side component, an attacker may be able to execute a request smuggling vulnerability...

CVE-2026-69244

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.3, an out-of-bounds heap read could occur in the C response parser while building an error message for a malformed response. An attacker controlled server, or possibly an accidental response, could trigg...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the C HTTP response parser error handling. An attacker can cause the application to crash or become unresponsive by sending a specially crafted malformed chunked response. Workaround This vulnerability can be mitigated...

CVE-2026-69244 AIOHTTP: Out-of-bounds heap read in C HTTP response parser error path (malformed chunked response)

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.3, an out-of-bounds heap read could occur in the C response parser while building an error message for a malformed response. An attacker controlled server, or possibly an accidental response, could trigg...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the WebSocket upgrade. An attacker can bypass request boundaries and interfere with HTTP request processing by crafting specially constructed HTTP requests. Remediation Upgrade aiohttp to version 3.14.2 or...

Security Bulletin: IBM Maximo Application Suite - Predict Component uses multiple dependencies which are vulnerable to multiple CVEs

Summary IBM Maximo Application Suite - Predict Component uses aiohttp-3.12.14-cp310-cp310-macosx109universal2.whl which are vulnerable to CVE-2026-22815, CVE-2026-34513, CVE-2026-34514, CVE-2026-34515, CVE-2026-34516, CVE-2026-34517, CVE-2026-34518, CVE-2026-34519, CVE-2026-34520, CVE-2026-34525...

Security Bulletin: IBM Maximo Application Suite - Predict Component uses multiple dependencies which are vulnerable to multiple CVEs.

Summary IBM Maximo Application Suite - Predict Component uses click-8.3.1-py3-none-any.whl,aiohttp-3.12.14-cp310-cp310-macosx109universal2.whl which are vulnerable to CVE-2026-7246, CVE-2025-69223, CVE-2025-69224, CVE-2025-69225, CVE-2025-69226, CVE-2025-69227, CVE-2025-69228, CVE-2025-69229,...

Linux Distros Unpatched Vulnerability : CVE-2026-59881

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 3.14.2, the WebSocket client accepts and decompresses frames with the...

Exploit for Server-Side Request Forgery in Lollms

CVE-20...

The vulnerability of the Application.add_domain() function in the aiohttp HTTP client allows a perpetrator to cause a service failure.

The vulnerability of the Application.adddomain function in the HTTP client of aiohttp is related to the use of duplicate headers due to insufficient validation of input data. Exploiting this vulnerability could allow an attacker to cause service failures...

AIOHTTP Vulnerable to Cookie Parser Warning Storm

SummaryReading multiple invalid cookies can lead to a logging storm. ImpactIf the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header.----Patch:...

AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections

SummaryThe Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. ImpactIf a pure Python version of aiohttp is installed i.e. without the usual C extensions or AIOHTTPNOEXTENSIONS is enabled, then an attacker may be able to execute...