CVE-2026-50269

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 similar. In the unlikely situation that an application is passing...

CVE-2026-50269 AIOHTTP: CRLF injection in multipart headers

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 similar. In the unlikely situation that an application is passing...

CVE-2026-50269

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 similar. In the unlikely situation that an application is passing...

CVE-2026-50269

Summary: CVE-2026-50269 affects the AIOHTTP framework. Prior to version 3.14.0, attacker-controlled input included in multipart headers could modify requests to inject headers or alter contents when using MultipartWriter.append(headers=...) or Payload.headers. The issue is fixed in 3.14.0. Impact...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via MultipartWriter.append or Payload.headers when attacker-controlled input is included in multipart or payload headers. An attacker can inject additional headers or alter the contents of a request by supplying...

GHSA-M6QW-4CW2-HM4M aiohttp: CRLF injection in multipart headers

Summary Attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. Impact In the unlikely situation that an application is passing user-controlled strings into MultipartWriter.appendheaders=... or Payload.headers, the...

aiohttp: CRLF injection in multipart headers

Summary Attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. Impact In the unlikely situation that an application is passing user-controlled strings into MultipartWriter.appendheaders=... or Payload.headers, the...

PT-2026-49564

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.14.0 Description Attacker-controlled input included in multipart/payload headers can be used to modify a request to inject additional headers or change the request contents. This occurs when an application passes...

CVE-2026-42561

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.27, python-multipart has a denial of service vulnerability in multipart part header parsing. When parsing multipart/form-data, MultipartParser previously had no limit on the number of part headers or the size of an individu...

CVE-2026-8466

Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows denial of service via unbounded buffer accumulation in multipart header parsing. cowboyreq:readpart/3 in src/cowboyreq.erl accumulates incoming request bytes into a Buffer binary with no upper-bound chec...

CVE-2026-48598

Improper Encoding or Escaping of Output vulnerability in elixir-tesla tesla allows multipart part header injection via unescaped Content-Disposition parameter values. Tesla.Multipart.partheadersfordisposition/1 interpolates each disposition parameter as k="v" with no validation of CR \r, LF \n, o...

Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy

...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to exponential backtracking in multipart [CVE-2026-28356]

Summary IBM Watson Speech Services Cartridge is vulnerable to exponential backtracking in multipart due to the parseoptionsheader function in multipart.py, that uses a regular expression with an ambiguous alternation, which can cause exponential backtracking ReDoS when parsing maliciously crafted...

CVE-2026-8468

Allocation of Resources Without Limits or Throttling vulnerability in plugproject plug allows denial of service via unbounded buffer accumulation in multipart header parsing. 'Elixir.Plug.Conn':readpartheaders/2 in lib/plug/conn.ex does not obey its :length parameter. There is no upper bound on t...

CVE-2026-8468 Unbounded buffer accumulation in multipart header parsing causes denial of service in plug

Allocation of Resources Without Limits or Throttling vulnerability in plugproject plug allows denial of service via unbounded buffer accumulation in multipart header parsing. 'Elixir.Plug.Conn':readpartheaders/2 in lib/plug/conn.ex does not obey its :length parameter. There is no upper bound on t...

Cowboy: Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy

Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows denial of service via unbounded buffer accumulation in multipart header parsing. cowboyreq:readpart/3 in src/cowboyreq.erl accumulates incoming request bytes into a Buffer binary with no upper-bound chec...

python-multipart 安全漏洞

python-multipart is a Python-based streaming multipart parser developed by Marcelo Trylesinski. Versions of python-multipart prior to 0.0.27 contained a security vulnerability; this vulnerability stemmed from the unlimited parsing of multipart headers, which could lead to denial-of-service attack...

python-multipart has Denial of Service via unbounded multipart part headers

Summary python-multipart has a denial of service vulnerability in multipart part header parsing. When parsing multipart/form-data, MultipartParser previously had no limit on the number of part headers or the size of an individual part header. An attacker could send a request with either many...

OESA-2026-2194 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: Insufficient restrictions in header/trailer handling could cause uncapped memory usage.CVE-2026-22815 An unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation.CVE-2026-34513 An attacker who...

CVE-2026-42037

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.1, the FormDataPart constructor in lib/helpers/formDataToStream.js interpolates value.type directly into the Content-Type header of each multipart part without sanitizing CRLF \r\n sequences. An attacker w...