CVE-2026-53539

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, when parsing application/x-www-form-urlencoded bodies, QuerystringParser located the field separator with a two step lookup: it first scanned the entire remaining buffer for &, and only when no & existed anywhere ahead...

Linux Distros Unpatched Vulnerability : CVE-2026-54283

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Starlette is a lightweight ASGI framework/toolkit. From 0.4.1 until 1.3.1, request.form accepts maxfields and maxpartsize to bound resource consumption while...

GHSA-37PM-83G7-R22V canto-saas-api: OAuth credentials exposed in URL query string and exception messages

Summary In affected versions, the OAuth2 token request sends appid, appsecret, refreshtoken and code as URL query parameters of the POST request to https://oauth./oauth/api/oauth2/token. Request URLs are commonly recorded in access logs, proxy logs and APM traces, so the application secret and...

http-proxy-middleware: multipart/form-data field injection via unescaped CRLF in `fixRequestBody`

Summary fixRequestBody is the library's documented helper for re-emitting a request body that was already consumed by a body parser. When the outgoing Content-Type is multipart/form-data, it rebuilds the body with handlerFormDataBodyData, which interpolates each req.body key and value directly in...

NPM: http-proxy-middleware: multipart/form-data field injection via unescaped CRLF in `fixRequestBody`

NPM: http-proxy-middleware: multipart/form-data field injection via unescaped CRLF in fixRequestBody vulnerability discovered by ? in WordPress Npm http-proxy-middleware versions = 3.0.4, 3.0.7...

PT-2026-50735

Name of the Vulnerable Software and Affected Versions http-proxy-middleware versions 3.0.4 through 3.0.6 http-proxy-middleware versions prior to 4.1.1 Description An issue exists in the fixRequestBody helper function when the outgoing Content-Type is set to multipart/form-data. The function uses...

GHSA-72GW-MP4G-V24J Multer vulnerable to Denial of Service via deeply nested field names

Impact Multer is vulnerable to a Denial of Service DoS via deeply nested field names in multipart form data. The append-field dependency parses bracket notation in field names e.g., abc with no limit on nesting depth, allowing an attacker to force allocation of deeply nested object structures tha...

Multer vulnerable to Denial of Service via deeply nested field names

Impact Multer is vulnerable to a Denial of Service DoS via deeply nested field names in multipart form data. The append-field dependency parses bracket notation in field names e.g., abc with no limit on nesting depth, allowing an attacker to force allocation of deeply nested object structures tha...

Allocation of Resources Without Limits or Throttling

Overview starlette is a The little ASGI library that shines. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the request.form. An attacker can exhaust system resources and disrupt service availability by submitting a specially crafted...

Inefficient Algorithmic Complexity

Overview python-multipart is an A streaming multipart parser for Python Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the QuerystringParser function when parsing application/x-www-form-urlencoded bodies containing semicolon-separated fields. An attacker...

Interpretation Conflict

Overview python-multipart is an A streaming multipart parser for Python Affected versions of this package are vulnerable to Interpretation Conflict through the parseoptionsheader function. An attacker can bypass field name or filename-based access controls, or manipulate file upload destinations ...

python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Summary parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=..., and the filename0/filename1 continuation form is decoded and surfaced...

GHSA-VFFW-93WF-4J4Q python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Summary parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=..., and the filename0/filename1 continuation form is decoded and surfaced...

form-data: CRLF injection in form-data via unescaped multipart field names and filenames

Summary form-data builds multipart/form-data request bodies. Through v4.0.5, the field name passed to FormDataappend and the filename option are concatenated directly into the Content-Disposition header with no escaping of CR \r, LF \n, or ". An application that uses untrusted input as a field na...

-react-file-list-components (=1.1.1), 01basicreact (>=0.1.0 <=0.1.9) +45932 more potentially affected by CVE-2026-12143 via form-data (>=3.0.0 <=3.0.4)

form-data NPM version =3.0.0, =0.1.0, =0.1.0, =0.1.6 - 0beny1s =1.1.6 - 0scarclassa =1.0.1 - 0scarclassb =1.0.1 - 0scarclassc =1.0.1 - 0scarclassd =1.0.1 - 0scarclasse =1.0.1 - 0scarclassf =1.0.1 - 0scarclassg =1.0.1 - 0scarclassh =1.0.1 - 0scarclassi =1.0.1 - 0scarclassj =1.0.1 - 0scarclassk...

NPM: form-data: CRLF injection in form-data via unescaped multipart field names and filenames

NPM: form-data: CRLF injection in form-data via unescaped multipart field names and filenames vulnerability discovered by ? in WordPress Npm form-data versions 2.5.6...

GHSA-HMW2-7CC7-3QXX form-data: CRLF injection in form-data via unescaped multipart field names and filenames

Summary form-data builds multipart/form-data request bodies. Through v4.0.5, the field name passed to FormDataappend and the filename option are concatenated directly into the Content-Disposition header with no escaping of CR \r, LF \n, or ". An application that uses untrusted input as a field na...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion via deeply nested field names in multipart form data. An attacker can exhaust CPU and memory resources by sending a single HTTP request with a crafted multipart body containing excessively nested field names...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion via deeply nested field names in multipart form data. An attacker can exhaust CPU and memory resources by sending a single HTTP request with a crafted multipart body containing excessively nested field names...

CVE-2026-5079 multer vulnerable to Denial of Service via deeply nested field names

Impact: multer versions 1.0.0 through 2.1.1 and 3.0.0-alpha.1 are vulnerable to a Denial of Service via deeply nested field names in multipart form data. The append-field dependency parses bracket notation in field names with no limit on nesting depth, allowing an attacker to force allocation of...