// Cloudflare Blog · 19 January 2026
How we mitigated a vulnerability in Cloudflare’s ACME validation logic
A vulnerability was recently identified in Cloudflare’s automation of certificate validation. Here we explain the vulnerability and outline the steps we’ve taken to mitigate it.
Cloudflare Blog
@cloudflare-blog · Hrushikesh Deshpande
blog.cloudflare.com
Read Full Article at blog.cloudflare.comCloudflare Blog@cloudflare-blog
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