gitlab-rails-ce-18.9 — security advisory

{
  "id": "a69354211d518fe57fdd1ae05d1a6fead81d6a2e16c7eef6d3ab283c7eb2fd61",
  "url": "https://osv.dev/vulnerability/CGA-3cj6-9gj5-9jhv",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-3cj6-9gj5-9jhv",
    "summary": "CGA-3cj6-9gj5-9jhv",
    "evidence": "osv:CGA-3cj6-9gj5-9jhv",
    "products": [
      {
        "name": {
          "value": "gitlab-rails-ce-18.9",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-3cj6-9gj5-9jhv",
      "aliases": [
        "CGA-3cj6-9gj5-9jhv"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "gitlab-rails-ce-18.9",
            "purl": "pkg:apk/chainguard/gitlab-rails-ce-18.9?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-3cj6-9gj5-9jhv.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "joi",
                "component_purl": "pkg:npm/joi@17.13.3",
                "component_type": "npm",
                "component_version": "17.13.3",
                "component_location": "/srv/gitlab/storybook/yarn.lock",
                "latest_event_status": "fix_not_planned",
                "latest_event_timestamp": "2026-10-07T13:20:48Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-07T17:00:17.454094454Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-90771",
        "GHSA-wr44-6hxh-3jwq"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90771.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-90771",
        "https://www.vulncheck.com/advisories/joi-before-17.13.8-and-18.2.9-prototype-pollution-via-messages",
        "https://github.com/hapijs/joi/issues/3150",
        "https://github.com/hapijs/joi/commit/5b8333c9177e08b4ef4ed02903c2d657084e7afb",
        "https://github.com/hapijs/joi",
        "https://github.com/hapijs/joi/blob/v18.2.8/lib/messages.js"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-90771",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 95286,
  "published_at": "2026-10-06T13:27:39+00:00"
}