multiparty vulnerable to Denial of Service via Uncaught Exception in filename* parameter parsing

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition: filename=utf-8'' header containing a malformed percent-encoding e.g., %FF, %GG, the parser invokes decodeURI on the value...

GHSA-XH3C-6GCQ-G4RV multiparty vulnerable to Denial of Service via Uncaught Exception in filename* parameter parsing

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition: filename=utf-8'' header containing a malformed percent-encoding e.g., %FF, %GG, the parser invokes decodeURI on the value...

Uncaught Exception

Overview org.webjars.npm:multiparty is a multipart/form-data parser which supports streaming Affected versions of this package are vulnerable to Uncaught Exception through the parsing of multipart/form-data requests containing field names that collide with inherited Object.prototype properties. A...

Uncaught Exception

Overview multiparty is a multipart/form-data parser which supports streaming Affected versions of this package are vulnerable to Uncaught Exception through the parsing of multipart/form-data requests containing field names that collide with inherited Object.prototype properties. An attacker can...

GHSA-QXCH-WHHJ-8956 multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property e.g., proto, constructor, toString, the parser invokes .push on the inherited...

Prototype Pollution

Overview parse-nested-form-data is an A tiny node module for parsing FormData by name into objects and arrays Affected versions of this package are vulnerable to Prototype Pollution via the parseFormData process. An attacker can modify the prototype of all plain objects in the running process by...

NPM: parse-nested-form-data has Prototype Pollution via `__proto__` in FormData field names

NPM: parse-nested-form-data has Prototype Pollution via proto in FormData field names vulnerability discovered by ? in WordPress Npm parse-nested-form-data versions = 1.0.0...

parse-nested-form-data has Prototype Pollution via `__proto__` in FormData field names

Summary parseFormData walks bracket and dot-notation FormData field names into nested objects without filtering reserved property keys. A single FormData field whose name begins with proto, or contains .proto. mid-path, causes the parser to traverse onto Object.prototype and assign properties...

Exploit for Deserialization of Untrusted Data in Facebook React

CVE-2025-55182 React2Shell Analysis Report Sections require...

NPM: form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys

NPM: form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys vulnerability discovered by ? in WordPress Npm form-data-objectizer versions = 1.0.0...

GHSA-M2HG-WJQ3-28WQ form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys

Summary form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate Object.prototype, which is a prototype pollution primitive of th...

form-data-objectizer: Prototype pollution in form-data-objectizer via bracket-notation form keys

Summary form-data-objectizer walks bracket-notation form keys e.g. namesub into nested objects without filtering proto, constructor, or prototype. A single HTTP form field whose name starts with proto... causes the library to mutate Object.prototype, which is a prototype pollution primitive of th...

PT-2026-41772

Name of the Vulnerable Software and Affected Versions parse-nested-form-data versions prior to 1.0.1 Description The parseFormData function processes bracket and dot-notation FormData field names into nested objects without filtering reserved property keys. An attacker can use a FormData field na...

PT-2026-41696

Name of the Vulnerable Software and Affected Versions form-data-objectizer versions prior to 1.0.1 Description The software fails to filter proto , constructor, or prototype when converting FormData to objects using bracket-notation form keys. An attacker can submit a single HTTP form field with ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: undertow (UTSA-2026-021493)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021493 advisory. A flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEncodedDataDefinition.doParseStreamSourceChannel method to...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-tornado (UTSA-2026-021470)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021470 advisory. Tornado is a Python web framework and asynchronous networking library. In versions of Tornado prior to 6.5.5, the only limit on the number of parts in...

SUSE 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...

DEBIAN-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-2026-42561 Python-Multipart: Denial of Service via unbounded multipart part headers

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-2026-42561 Python-Multipart: Denial of Service via unbounded multipart part headers

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...