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...

MAL-2026-10619 Malicious code in @vite-js/vui (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 89dd59b0cc2b2931e47b1822fa705eba41767d28ae89bce2e277254377dd9a0a Package publishes under @vite-js/vui while impersonating the official vite package: package.json sets author "Evan You", description "Native-ESM...

PYSEC-2026-3036 python-multipart: Quadratic-time querystring parsing with semicolon separators causes CPU denial of service

Summary 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 did it fall back to scanning for ;. For a body that uses ; as the...

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,...

CVE-2026-53538

A flaw was found in Python-Multipart, a tool used for processing web form data. A remote attacker could exploit a vulnerability where the software incorrectly interprets certain characters as separators in web form data. This difference in interpretation compared to standard web practices allows ...

Security Bulletin: IBM Transformation Advisor is affected by multiple vulnerabilities found in JavaScript

Summary There are multiple vulnerabilities in JavaScript used by IBM Transformation Advisor. Vulnerability Details CVEID:CVE-2026-12143 DESCRIPTION: form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to FormDataappend and the...

Security Bulletin: IBM Application Modernization Accelerator is affected by multiple vulnerabilities found in JavaScript

Summary There are multiple vulnerabilities in JavaScript used by IBM Application Modernization Accelerator. Vulnerability Details CVEID:CVE-2026-12143 DESCRIPTION: form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to...

CVE-2026-52747

A flaw was found in ModSecurity, an open-source web application firewall WAF. The multipart/form-data request body parser in libmodsecurity incorrectly handles embedded line breaks in non-file form-field values. This discrepancy between ModSecurity and backend applications, which preserve line...

CVE-2026-52747

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...

DEBIAN-CVE-2026-52747

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...

UBUNTU-CVE-2026-52747

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...

CVE-2026-52747

Summary of CVE-2026-52747 ModSecurity (the open‑source WAF engine for Apache/IIS/Nginx) prior to version 3.0.16 contains a parsing bug in the multipart/form-data body processor. Specifically, the libmodsecurity multipart parser silently removes embedded line breaks from non-file form-field values...

CVE-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...

Malicious code in uac-package (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cb2f1cf2dbbdb87f2b0c37826d8326ff0ca7ecfdbc3af1dd4fdd31a0c299c78b [email protected] is an analytics package that, on install, silently mutates the installer's project files: postinstall.js invokes integrate which...

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...

CVE-2026-56669

Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation, and client-server communication. Prior to 1.4.29, Elysia uses getAll in form data normalization for multipart/form-data endpoints, causing the amount of work to grow quadratically with the number of...

GHSA-75W3-GMQX-993Q Waku: Cross-Origin CSRF on RSC Server Action Dispatch

Summary Waku's RSC request dispatcher invokes server actions without validating the request's Origin or Sec-Fetch-Site header. A cross-origin web attacker can therefore cause a victim browser to issue an authenticated POST to a registered server action endpoint using a CORS-safelisted content typ...