CVE-2026-34520 AIOHTTP: C parser (llhttp) accepts null bytes and control characters in response header values - header injection / security bypass

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 been patched in version 3.13.4...

CVE-2026-34519 AIOHTTP: HTTP response splitting via \r in reason phrase

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 exploits. This issue has been patched in version 3.13.4...

CVE-2026-34519

CVE-2026-34519 affects the AIOHTTP library (asyncio-based HTTP client/server for Python). The issue occurs before version 3.13.4 where an attacker controlling the reason parameter when creating a Response can inject extra headers or similar exploits due to header injection in the reason phrase. T...

CVE-2026-34519

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 exploits. This issue has been patched in version 3.13.4...

CVE-2026-34519

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 exploits. This issue has been patched in version 3.13.4...

CVE-2026-34519

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 exploits. This issue has been patched in version 3.13.4...

CVE-2026-34514

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34514

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34514 AIOHTTP: CRLF injection in multipart part content type header construction

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34514

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

Important: nodejs20

Issue Overview: Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted:...

Important: nodejs22

Issue Overview: Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted:...

aiohttp 注入漏洞

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 had a injection vulnerability. This vulnerability stemmed from the possibility that attackers could control the reason...

PT-2026-29666

Name of the Vulnerable Software and Affected Versions Ewe versions prior to 3.0.6 Description The encode headers function in src/ewe/internal/encoder.gleam directly interpolates response header keys and values into raw HTTP bytes without validating or stripping CRLF r sequences. This allows an...

Important: nodejs24

Issue Overview: Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted:...

PT-2026-29643

IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking...

Amazon Linux 2023 : python3.13-tornado (ALAS2023-2026-1528)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1528 advisory. Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for head...

CVE-2026-34442 FreeScout: Host Header Injection Leading to External Resource Loading and Open Redirect in FreeScout

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.211, host header manipulation in FreeScout version http://localhost:8080/system/status allows an attacker to inject an arbitrary domain into generated absolute URLs. This leads to External...

CVE-2026-34442 FreeScout: Host Header Injection Leading to External Resource Loading and Open Redirect in FreeScout

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.211, host header manipulation in FreeScout version http://localhost:8080/system/status allows an attacker to inject an arbitrary domain into generated absolute URLs. This leads to External...

CVE-2026-34442

FreeScout (PHP/Laravel) is affected prior to version 1.8.211 due to host header manipulation in-generated absolute URLs. The vulnerability arises because the application uses the unvalidated Host header to construct links and assets, enabling External Resource Loading and Open Redirects to attack...