YamlDotNet version 4.3.2 and earlier contains a Insecure Direct Object Reference vulnerability in The default behavior of Deserializer.Deserialize() will…
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for YamlDotNet (nuget), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does YamlDotNet have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for YamlDotNet (nuget), the worst rated HIGH. They are GHSA-rpch-cqj9-h65r.
Which version of YamlDotNet should I use?
5.0.0 or later clears every advisory recorded for YamlDotNet (nuget). Check the release you pick before installing it.
How do I check YamlDotNet before installing?
Search YamlDotNet in CyberXYZ Check at https://cyberxyz.io/check?q=YamlDotNet. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 10:04 UTC. The most recent advisory here was published 2018-10-16. Updated continuously from NVD, GHSA, OSV and CNA feeds.