CVE-2026-5079

A flaw was found in Multer. A remote attacker can exploit this vulnerability by sending a single HTTP request with crafted multipart form data containing deeply nested field names. This can force the allocation of deeply nested object structures, consuming excessive CPU and memory resources. The...

CVE-2026-8161

[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 such as proto, constructor, or toString, the parser invokes .push on the inherited...

Security update for python-python-multipart

This update for python-python-multipart fixes the following issue: CVE-2026-40347: crafted multipart/form-data can cause a denial of service bsc1262403. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

OESA-2025-1996 python-werkzeug security update

A comprehensive WSGI web application library Security Fixes: Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF and then is followed by megabytes of data without these characters: all of these bytes are appended chunk by chunk into internal...

Huawei EulerOS: Security Advisory for python-werkzeug (EulerOS-SA-2023-2167)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 37 : mingw-python-werkzeug (2023-af75e27098)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-af75e27098 advisory. Update to python-werkzeug-2.2.3. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus...

High resource usage when parsing multipart form data with many fields

Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. Parts can be a small amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request can be made to an endpoint that accesses request.data, request.form,...