PYSEC-2026-1860 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,...

PT-2024-33677

Name of the Vulnerable Software and Affected Versions: Werkzeug versions prior to 3.0.6 Description: Applications using werkzeug.formparser.MultiPartParser to parse multipart/form-data requests are vulnerable to a relatively simple but effective resource exhaustion attack. A specifically crafted...