Risks of Username Reuse and a Critical macOS Vulnerability

Unauthorized Issuance of Certificate for 1.1.1.1
Cloudflare published a blog post with more details regarding the bad 1.1.1.1 certificate that was issued by Fina.
https://blog.cloudflare.com/unauthorized-issuance-of-certificates-for-1-1-1-1/
AI Model Namespace Reuse
Deleted accounts on Huggingface can be taken over by other entities unrelated to the original owner.
https://unit42.paloaltonetworks.com/model-namespace-reuse/
macOS vulnerability allowed Keychain and iOS app decryption without a password
Excessive entitlements for the gcore binary facilitated access to key material that was sufficient to access secrets stored in Apple s keychain.
https://www.helpnetsecurity.com/2025/09/04/macos-gcore-vulnerability-cve-2025-24204/