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P4
CVE-2026-49451: OpenAPI.NET >= 2.0.0-preview11, < 2.7.5, >= 3.0.0, < 3.5.4
CVE-2026-49451. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.01238 (percentile 0.68909), scored 25-Oct-2026.
Affected technology
OpenAPI.NET · >= 2.0.0-preview11, < 2.7.5, >= 3.0.0, < 3.5.4
microsoft
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-674
- CCR priority
- 30.3 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.01238 · percentile 0.68909 · 2026-10-25
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-49451.html