GitLab 19.0 release notes

{
  "id": "aba1e07b04f07a82832e588919d71c530d7e3c12d9788a11a2a044aa09cbd0c0",
  "url": "https://docs.gitlab.com/releases/19/gitlab-19-0-released/",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "GitLab 19.0 release notes",
    "summary": "GitLab 19.0 includes a security enhancement for webhook authentication: webhooks can use HMAC-SHA256 signing tokens, with timestamps that help recipients reject replayed requests. The release notes do not identify a CVE or state a severity.",
    "evidence": "You can now add a signing token to any webhook. GitLab uses the signing token to compute an HMAC-SHA256 signature",
    "products": [
      {
        "name": {
          "value": "GitLab",
          "evidence": "GitLab 19.0 was released"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "GitLab 19.0",
            "evidence": "GitLab 19.0 was released"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-gitlab-releases",
  "document_id": 23693,
  "published_at": "2026-05-21T00:00:00+00:00"
}