MEDIUM
CVE-2026-57581
CVSS
5.3
Description
DotVVM is an open source MVVM framework for web applications. Prior to 4.2.11, 4.3.15, and 5.0.0-preview09-final, applications with configured file upload storage allow unauthenticated users to submit files directly to DotvvmFileUploadMiddleware without an X-DotVVM-UploadToken generated by the FileUpload component. An attacker can repeatedly upload files and fill application storage, causing denial of service. DotvvmConfiguration.Security.AuthorizeFileUpload can additionally restrict which users may upload files. This issue is fixed in versions 4.2.11, 4.3.15, and 5.0.0-preview09-final.
Weakness (CWE)
CWE-434
Unrestricted File Upload
EPSS Score
0.44%
Probability of exploitation in next 30 days
37.7th percentile
References
https://github.com/riganti/dotvvm/commit/1635245b5eaf9ccf8e3536b9d8b1941819526585
https://github.com/riganti/dotvvm/commit/4fc26a8591c76fb92ed701352c2a84120cf926c5
https://github.com/riganti/dotvvm/commit/6af982bbe3b00bdac00f1c0efe9365d52db642ef
https://github.com/riganti/dotvvm/releases/tag/v4.3.15
https://github.com/riganti/dotvvm/releases/tag/v5.0.0-preview09
https://github.com/riganti/dotvvm/security/advisories/GHSA-2rm3-333w-xvc4
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.