Microsoft Openapi.net vulnerabilities

• microsoft openapi.net Microsoft.OpenApi.YamlReader vulnerable to denial of service via YAML alias expansion CVE-2026-72923 Fix available 7.5 HighSeptember 8, 2026
• microsoft openapi.net Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing CVE-2026-49451 Fix available 7.5 HighJune 30, 2026