CVE-2026-33645 Fireshare has Path Traversal Arbitrary File Write in `/api/uploadChunked`

Fireshare facilitates self-hosted media and link sharing. In version 1.5.1, an authenticated path traversal vulnerability in Fireshare’s chunked upload endpoint allows an attacker to write arbitrary files outside the intended upload directory. The checkSum multipart field is used directly in...

CVE-2026-33645 Fireshare has Path Traversal Arbitrary File Write in `/api/uploadChunked`

Fireshare facilitates self-hosted media and link sharing. In version 1.5.1, an authenticated path traversal vulnerability in Fireshare’s chunked upload endpoint allows an attacker to write arbitrary files outside the intended upload directory. The checkSum multipart field is used directly in...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling in the parsing of quoted strings within chunked transfer encoding...

Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing

Summary Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Background This vulnerability is a new variant discovered during research into the "Funky Chunks" HTTP request smuggling techniques: - - The original researc...

GHSA-PWQR-WMGM-9RR8 Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing

Summary Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Background This vulnerability is a new variant discovered during research into the "Funky Chunks" HTTP request smuggling techniques: - - The original researc...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the parsing of quoted strings within chunked transfer encoding extension values. An attacker can inject arbitrary HTTP requests into a connection by crafting chunk extensions containing carriage return or line...

CVE-2026-30961

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to 2.2.4, the chunked upload completion path for file requests does not validate the total file size against the per-request MaxSize limit. An attacker with a public file request link can split an...

CVE-2026-32873

ewe is a Gleam web server. Versions 0.8.0 through 3.0.4 contain a bug in the handletrailers function where rejected trailer headers forbidden or undeclared cause an infinite loop. When handletrailers encounters such a trailer, three code paths lines 520, 523, 526 recurse with the original buffer...

HTTP Request Smuggling

Next.js is vulnerable to HTTP Request Smuggling. The vulnerability is due to improper handling of Transfer-Encoding: chunked and Content-Length headers during proxy rewrites, which allows an attacker to craft malicious DELETE/OPTIONS requests and smuggle unauthorized requests to unintended backen...

CVE-2026-33645: Improper Limitation of a Pathname to a Restricted Directory

Fireshare facilitates self-hosted media and link sharing. In version 1.5.1, an authenticated path traversal vulnerability in Fireshare’s chunked upload endpoint allows an attacker to write arbitrary files outside the intended upload directory. The checkSum multipart field is used directly in...

PT-2026-28505

Name of the Vulnerable Software and Affected Versions Fireshare versions prior to 1.5.2 Description Fireshare facilitates self-hosted media and link sharing. Version 1.5.1 contains an authenticated path traversal vulnerability in the chunked upload endpoint. The checkSum multipart field is used...

SUSE CVE-2026-30961

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to 2.2.4, the chunked upload completion path for file requests does not validate the total file size against the per-request MaxSize limit. An attacker with a public file request link can split an...

H3: Unbounded Chunked Cookie Count in Session Cleanup Loop may Lead to Denial of Service

Summary The setChunkedCookie and deleteChunkedCookie functions in h3 trust the chunk count parsed from a user-controlled cookie value chunkedN without any upper bound validation. An unauthenticated attacker can send a single request with a crafted cookie header e.g., Cookie: h3=chunked999999 to a...

GHSA-Q5PR-72PQ-83V3 H3: Unbounded Chunked Cookie Count in Session Cleanup Loop may Lead to Denial of Service

Summary The setChunkedCookie and deleteChunkedCookie functions in h3 trust the chunk count parsed from a user-controlled cookie value chunkedN without any upper bound validation. An unauthenticated attacker can send a single request with a crafted cookie header e.g., Cookie: h3=chunked999999 to a...

curl: HTTP/1.1 Response Desynchronization via conflicting CL/TE headers in Proxy CONNECT

Summary: curl fails to prioritize the Transfer-Encoding: chunked header over Content-Length in HTTP/1.1 proxy responses specifically 407/401 auth challenges, violating RFC 9112 Section 6.1. I have identified the root cause in cf-h1-proxy.c. In the response-handling loop around line 466, the code...

PT-2026-29920

Summary The setChunkedCookie and deleteChunkedCookie functions in h3 trust the chunk count parsed from a user-controlled cookie value chunked N without any upper bound validation. An unauthenticated attacker can send a single request with a crafted cookie header e.g., Cookie: h3= chunked 999999 t...

PT-2026-86519

Name of the Vulnerable Software and Affected Versions h3 versions prior to 2.0.1-rc.18 Description The software fails to validate the chunk count parsed from user-controlled cookie values within the setChunkedCookie and deleteChunkedCookie functions. An attacker can send a crafted cookie header...

OESA-2026-1682 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the...

CVE-2026-32881

ewe is a Gleam web server. ewe is a Gleam web server. Versions 0.6.0 through 3.0.4 are vulnerable to authentication bypass or spoofed proxy-trust headers. Chunked transfer encoding trailer handling merges declared trailer fields into req.headers after body parsing, but the denylist only blocks 9...

CVE-2026-32873

ewe is a Gleam web server. Versions 0.8.0 through 3.0.4 contain a bug in the handletrailers function where rejected trailer headers forbidden or undeclared cause an infinite loop. When handletrailers encounters such a trailer, three code paths lines 520, 523, 526 recurse with the original buffer...