4.20.0

{
  "id": "0acfb9743005473b2a3dfc593f2357ab5253823ab2023638366cefbd96660d34",
  "url": "https://github.com/zitadel/zitadel/releases/tag/v4.20.0",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "4.20.0",
    "summary": "ZITADEL 4.20.0 changes outbound TLS certificate validation so connections through compromised eMudhra intermediate CAs are no longer accepted. Affected endpoints need a new certificate, and the check cannot be disabled.",
    "evidence": "Outbound TLS connections (SMTP, external IdPs, Actions and webhook targets, HTTP SMS providers) no longer accept certificate chains through the compromised eMudhra intermediate CAs (#12969); affected endpoints need a new certificate, the check can't be disabled.",
    "products": [
      {
        "name": {
          "value": "ZITADEL",
          "evidence": "ZITADEL is now built with Go 1.26.10."
        },
        "prerequisites": [
          {
            "value": "Outbound TLS connections (SMTP, external IdPs, Actions and webhook targets, HTTP SMS providers)",
            "evidence": "Outbound TLS connections (SMTP, external IdPs, Actions and webhook targets, HTTP SMS providers) no longer accept certificate chains through the compromised eMudhra intermediate CAs (#12969); affected endpoints need a new certificate, the check can't be disabled."
          }
        ],
        "fixed_versions": [
          {
            "value": "4.20.0",
            "evidence": "4.20.0 (2026-10-22)"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-zitadel-zitadel",
  "document_id": 22958,
  "published_at": "2026-10-22T11:27:04+00:00"
}