{"type":"post","id":"mitre-releases-cwe-5-0-with-schema-8-99777e","slug":"mitre-releases-cwe-5-0-with-schema-8-99777e","title":"MITRE releases CWE 5.0 with Schema 8.0, including breaking changes to the XML and JSON formats","description":"MITRE has released CWE 5.0 alongside Schema 8.0 for the CWE XML schema and JSON representation.","retrieval_nugget":"MITRE has released CWE 5.0 alongside Schema 8.0 for the CWE XML schema and JSON representation. The update adds new weakness content and richer ways to describe it, but it also changes structural names and formats that security tools may consume directly. Teams ingesting CWE data should treat the release as a compatibility event.","published_at":"2026-10-28","updated_at":"2026-10-28","record_date":"2026-10-28","date_kind":"published_at","topics":[],"entities":["MITRE","Common Weakness Enumeration","CWE 5.0","Schema 8.0","OpenSSF","OWASP"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"MITRE’s CWE 5.0 and Schema 8.0 release adds 3 views, 16 weaknesses, 9 groupings and breaking XML/JSON schema changes; no prior document covers this release.","prior_refs":[],"source_url":"https://cwe.mitre.org/news/archives/news2026.html","source_urls":["https://cwe.mitre.org/news/archives/news2026.html"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:mitre-releases-cwe-5-0-with-schema-8-99777e","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/mitre-releases-cwe-5-0-with-schema-8-99777e/","markdown":"https://newruntime.com/posts/mitre-releases-cwe-5-0-with-schema-8-99777e.md","json":"https://newruntime.com/posts/mitre-releases-cwe-5-0-with-schema-8-99777e.json"},"next_reads":[{"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"}]}