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CVE-2026-57581
5.3 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
Activity log
- Created & dismissed (no matching packages found) suggestion
DotVVM: Unrestricted file upload
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.
References
-
https://github.com/riganti/dotvvm/security/advisories/GHSA-2rm3-333w-xvc4 x_refsource_CONFIRM
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https://github.com/riganti/dotvvm/releases/tag/v4.3.15 x_refsource_MISC
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https://github.com/riganti/dotvvm/releases/tag/v5.0.0-preview09 x_refsource_MISC
Affected products
dotvvm
- ==< 4.2.11
- ==>= 5.0.0-preview01, < 5.0.0-preview09-final
- ==>= 4.3.0, < 4.3.15