How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

USN-8420-1: .NET vulnerabilities

calendar_today June 11, 2026 domain ubuntu

It was discovered that .NET did not properly handle link resolution before file access. A local attacker could use this issue to perform unauthorized file tampering and write arbitrary files outside of the intended extraction directory. (CVE-2026-45491) It was discovered that .NET did not properly handle deeply-nested MessagePack arrays.

open_in_new Read original post