All users of the AuthorizeActionFilter class are affected.
Full advisory text at GitHub advisory.
nuget package report
Is DotVVM safe?
DotVVM (nuget) has 4 known vulnerabilities, the worst rated CRITICAL. Upgrade to 5.0.0-preview09-final or later to clear all of them. No malicious-package signal is recorded.
// reach
0 direct dependencies
none carry a known advisory
0 packages depend on it
an advisory here reaches each of them
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so nuget packages are not covered.
cvss
9.0
critical
severity band, no base score published
epss
not scored
chance of exploitation in 30 days
xyz score
4.0
medium
CyberXYZ composite out of 10
fig. 01 — GHSA-c8qj-jx8j-fg2w, the advisory selected below
// 4 advisories
Is DotVVM safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 4 known vulnerabilities for DotVVM (nuget), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does DotVVM have known vulnerabilities?
Yes. CyberXYZ records 4 known vulnerabilities for DotVVM (nuget), the worst rated CRITICAL. They are GHSA-c8qj-jx8j-fg2w, GHSA-c2g3-c4gc-w5wg, GHSA-6q65-j4jw-9cg8, GHSA-2rm3-333w-xvc4.
Which version of DotVVM should I use?
5.0.0-preview09-final or later clears every advisory recorded for DotVVM (nuget). Check the release you pick before installing it.
How do I check DotVVM before installing?
Search DotVVM in CyberXYZ Check at https://cyberxyz.io/check?q=DotVVM. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 12:28 UTC. The most recent advisory here was published 2026-06-19. Updated continuously from NVD, GHSA, OSV and CNA feeds.