Apache
CVE-2026-83594: Memory allocation with an excessive size value in Apache Wicket. org.apache.wicket.markup.html.form.upload.resource.FileUploadToResourceField uploads files to
CVE-2026-83594 Nov 1, 2026 Source: Vendor
Memory allocation with an excessive size value in Apache Wicket.
org.apache.wicket.markup.html.form.upload.resource.FileUploadToResourceField uploads files to a separately mounted resource rather than through a form, and is told the outcome afterwards over its own Ajax callback. That callback reads the request parameter filesInfo, a JSON array carrying a client file name, a size and a content type for each file, and turns it into the list of FileUploadToResourceField.UploadInfo that onUploadSuc
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-83594
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CVE-2026-83594
BR2026-0000-041098
unclaimed
Credited as Emond Papegaaij