GHSA-MMFR-PMJX-HW9W kin-openapi openai3filter: nil-pointer panic in ConvertErrors on malformed multipart/form-data body enables unauthenticated DoS

Summary A nil-pointer dereference in openapi3filter.ConvertErrors lets any unauthenticated client crash a server with a single HTTP request. When an application validates a multipart/form-data request body and renders the resulting validation error through the library-provided...

CVE-2026-76905

kin-openapi (Go library for OpenAPI processing) versions 0.10.0 through 0.141.0 contain a nil-pointer dereference in openapi3filter.convertParseError (openapi3filter/validation_error_encoder.go). The function accesses e.Parameter.In without checking whether e.Parameter is nil. A malformed non-str...

EUVD-2026-64150

kin-openapi is a Go project for handling OpenAPI files. From 0.10.0 until 0.141.0, openapi3filter.convertParseError in openapi3filter/validationerrorencoder.go dereferences e.Parameter.In without checking whether e.Parameter is nil. A malformed non-string scalar field in a multipart/form-data...

CVE-2026-76905 kin-openapi openai3filter: nil-pointer panic in ConvertErrors on malformed multipart/form-data body enables unauthenticated DoS

kin-openapi is a Go project for handling OpenAPI files. From 0.10.0 until 0.141.0, openapi3filter.convertParseError in openapi3filter/validationerrorencoder.go dereferences e.Parameter.In without checking whether e.Parameter is nil. A malformed non-string scalar field in a multipart/form-data...

CVE-2026-19481

A flaw was found in @fastify/busboy, a multipart form-data parser. A remote attacker can exploit this vulnerability by sending specially crafted multipart form-data headers. This can cause a TypeError in the parser, leading to the termination of the Node.js process and resulting in an...

CVE-2026-19481

@fastify/busboy is a multipart form-data parser. In versions 1.0.0 through 3.2.0, an attacker who can submit multipart form-data can crash the parser by sending a part header whose name is a prototype-inherited property such as proto or constructor. The internal header parser stores headers in a...

io.quarkus/quarkus-rest: io.quarkus/quarkus-vertx-http: io.quarkus.resteasy.reactive/resteasy-reactive: Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service

A flaw was found in Quarkus REST. An unauthenticated remote attacker can exploit this vulnerability by sending a crafted multipart/form-data request with an excessively large header section. This unbounded accumulation of MIME part-header bytes can exhaust the Java Virtual Machine JVM heap memory...

CVE-2026-60009

In Eclipse Theia up to 1.73.1, the backend @theia/filesystem binds POST /file-upload in every filesystem-enabled deployment. The handler uses an attacker-supplied absolute path from the multipart uri field and calls fs.move(tmp, target, { overwrite: true }) with no workspace confinement and no au...

Req vulnerable to multipart form-data header injection via unescaped name/filename/content_type

Summary Req's multipart form encoder interpolates the per-part name, filename, and contenttype directly into the part headers without escaping. An attacker who can influence any of those values can inject CRLF-separated header lines, smuggle additional form fields, or prepend a whole extra part...

CVE-2026-66730 facil.io 0.6.0 - 0.7.6 Infinite Loop DoS via Multipart MIME Body Parser

facil.io 0.6.0 through 0.7.6 contains a denial-of-service vulnerability in the multipart body parser that allows an unauthenticated remote attacker to permanently freeze worker processes at 100% CPU by sending a multipart/form-data request with a partial closing boundary. The missing progress gua...

CVE-2026-66730

facil.io 0.6.0 through 0.7.6 contains a denial-of-service vulnerability in the multipart body parser that allows an unauthenticated remote attacker to permanently freeze worker processes at 100% CPU by sending a multipart/form-data request with a partial closing boundary. The missing progress gua...

Security Bulletin: SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in form-data and DOMPurify

Summary SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in form-data and DOMPurify. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-12143 DESCRIPTION: form-data is a library for creating readable multipart/form-data...

Tornado: Quadratic DoS via Crafted Multipart Parameters

Summary The parseparam function in Tornado's httputil.py is used to parse specific HTTP header values, such as those in multipart/form-data. This function uses an inefficient algorithm that repeatedly calls string.count within a nested loop while processing quoted semicolons e.g., param=";". As a...

form-data: form-data: Form field override via CRLF injection

A flaw was found in form-data, a library for creating readable multipart/form-data streams. A remote attacker can exploit this vulnerability by injecting carriage return CR, line feed LF, or double-quote " characters into the field argument of FormDataappend or the filename option. This allows th...

react2shell-poc

react2shell-poc Proof-of-concept exploit for CVE-2025-55182...

BIT-MODSECURITY2-2026-52747 ModSecurity: Multipart form-data parser silently strips embedded line breaks from form-field values, enabling request-body inspection bypass

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmodsecurity silently removes embedded line breaks from non-file form-field values before exporting them to ARGS and...

BIT-MODSECURITY-2026-52747 ModSecurity: Multipart form-data parser silently strips embedded line breaks from form-field values, enabling request-body inspection bypass

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmodsecurity silently removes embedded line breaks from non-file form-field values before exporting them to ARGS and...

PYSEC-2026-3041 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...

PYSEC-2026-3039 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...

PYSEC-2026-3417 Werkzeug possible resource exhaustion when parsing file data in forms

Applications using Werkzeug to parse multipart/form-data requests are vulnerable to resource exhaustion. A specially crafted form body can bypass the Request.maxformmemorysize setting. The Request.maxcontentlength setting, as well as resource limits provided by deployment software and platforms,...