{"type":"post","id":"emudhra-private-key-compromise-of-intermediate-certificates-393022","slug":"emudhra-private-key-compromise-of-intermediate-certificates-393022","title":"eMudhra: Private key compromise of Intermediate Certificates","description":"Cloudflare says four is enough to compromise an unpatched Internet connection using the affected eMudhra certificates: the private keys were weak enough to recover.","retrieval_nugget":"Cloudflare says four is enough to compromise an unpatched Internet connection using the affected eMudhra certificates: the private keys were weak enough to recover. Its update adds evidence of attempted exploitation and describes its own patching response. For AI builders, this is a reminder that deployed agents inherit the certificate trust and update posture of every service they call.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["google"],"entities":["Cloudflare","eMudhra","Mozilla","Google Chrome","Sectigo","emSign ECC Root CA - G3"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"Cloudflare reports four guesses can break unpatched connections using eMudhra certificates, and details its rapid patching and evidence of attempted exploitation.","prior_refs":["memory:43249e4d-9360-80ae-a611-f475468736c9","memory:c53a19b8-8dea-8edf-a45a-86325a3ca4d3","memory:253b42ad-ea1d-843f-a3c1-2a9064849c49"],"source_url":"https://blog.cloudflare.com/emudhra-patching","source_urls":["https://blog.cloudflare.com/emudhra-patching"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:emudhra-private-key-compromise-of-intermediate-certificates-393022","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/emudhra-private-key-compromise-of-intermediate-certificates-393022/","markdown":"https://newruntime.com/posts/emudhra-private-key-compromise-of-intermediate-certificates-393022.md","json":"https://newruntime.com/posts/emudhra-private-key-compromise-of-intermediate-certificates-393022.json"},"next_reads":[{"type":"topic","path":"/topics/google/","url":"https://newruntime.com/topics/google/","title":"Google","reason":"Explore the google topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/google.md","json_url":"https://newruntime.com/topics/google.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}