{
  "published": "2026-06-20T12:14:54Z",
  "modified": "2026-06-20T12:14:54Z",
  "schema_version": "1.7.5",
  "id": "CGA-7cfv-jcmf-5hr3",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
    }
  ],
  "upstream": [
    "CVE-2026-54906",
    "GHSA-6wx8-w4f5-wwcr"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54906.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-6wx8-w4f5-wwcr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54906"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "gitlab-rails-ce-18.1",
        "purl": "pkg:apk/chainguard/gitlab-rails-ce-18.1?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "architecture": "x86_64",
            "component_name": "concurrent-ruby",
            "component_version": "1.2.3",
            "component_type": "gem",
            "component_location": "/srv/gitlab/vendor/bundle/ruby/3.2.0/specifications/concurrent-ruby-1.2.3.gemspec",
            "component_purl": "pkg:gem/concurrent-ruby@1.2.3",
            "latest_event_status": "detection",
            "latest_event_timestamp": "2026-06-20T12:14:54Z"
          }
        ]
      }
    }
  ]
}