CVE-2026-49451
1 advisory.
NuGet/Microsoft.OpenApi CVE-2026-49451: high 7.5
Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing
Action: Upgrade Microsoft.OpenApi to 2.7.5 (2.x) or 3.5.4 (3.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.0.0-preview.11 | 2.7.5 | - |
| 3.0.0 | 3.5.4 | - |
Fixed versions
| 2.7.5 | 3.5.4 |
Sources
- osv: GHSA-v5pm-xwqc-g5wc
- https://github.com/microsoft/OpenAPI.NET/security/advisories/GHSA-v5pm-xwqc-g5wc
- https://nvd.nist.gov/vuln/detail/CVE-2026-49451
- https://github.com/microsoft/OpenAPI.NET
CVE-2026-49451 · published · modified · JSON