CVE-2026-72923

Microsoft.OpenApi.YamlReader (versions 2.0.0-preview.11 through 2.12.0 and 3.0.0 through 3.10.0) and Microsoft.OpenApi.Readers (prior to 1.6.30) are vulnerable to a denial of service via YAML alias expansion. The root cause lies in how SharpYaml represents aliases as shared nodes in a directed ac...