CVE-2026-57578DotVVM: Missing authorization in AuthorizeActionFilter
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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DotVVM is an open source MVVM framework for web applications. Prior to 4.2.11, 4.3.15, and 5.0.0-preview09-final, AuthorizeActionFilter performs no authorization because its explicit ICommandActionFilter.OnCommandExecutingAsync, IViewModelActionFilter.OnViewModelCreatedAsync, and IPresenterActionFilter.OnPresenterExecutingAsync implementations return completed tasks instead of invoking the corresponding checks. Applications relying on this filter can therefore expose protected commands, view models, or presenters to unauthorized requests without any special bypass technique. AuthorizeAttribute correctly implements the same interfaces and can be used as a workaround. This issue is fixed in versions 4.2.11, 4.3.15, and 5.0.0-preview09-final.
- CVSS
- 9.2 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Sep 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
riganti dotvvm riganti:dotvvm (from the name) | before 4.2.11; from 4.3.0, < 4.3.15; from 5.0.0-preview01, < 5.0.0-preview09-final | CNA record |
References
- https://github.com/riganti/dotvvm/security/advisories/GHSA-c8qj-jx8j-fg2wx-refsource-confirm
- https://github.com/riganti/dotvvm/commit/1635245b5eaf9ccf8e3536b9d8b1941819526585x-refsource-misc
- https://github.com/riganti/dotvvm/commit/4fc26a8591c76fb92ed701352c2a84120cf926c5x-refsource-misc
- https://github.com/riganti/dotvvm/commit/7578cf3459097cbbef0d3fea8a7774509b324112x-refsource-misc
- https://github.com/riganti/dotvvm/releases/tag/v4.3.15x-refsource-misc
- https://github.com/riganti/dotvvm/releases/tag/v5.0.0-preview09x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.