gitlab-rails-ce-18.11 — security advisory

{
  "id": "e473065aee6347c2e1efa4f85397be8aac7c2ce0b692b6bf608ef10dae2cd9a5",
  "url": "https://osv.dev/vulnerability/CGA-jjv5-w836-x3m7",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-jjv5-w836-x3m7",
    "summary": "CGA-jjv5-w836-x3m7",
    "evidence": "osv:CGA-jjv5-w836-x3m7",
    "products": [
      {
        "name": {
          "value": "gitlab-rails-ce-18.11",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "18.11.13-r0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-jjv5-w836-x3m7",
      "aliases": [
        "CGA-jjv5-w836-x3m7"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "18.11.13-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "gitlab-rails-ce-18.11",
            "purl": "pkg:apk/chainguard/gitlab-rails-ce-18.11?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-jjv5-w836-x3m7.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "serialize-javascript",
                "component_purl": "pkg:npm/serialize-javascript@4.0.0",
                "component_type": "npm",
                "component_version": "4.0.0",
                "component_location": "/srv/gitlab/yarn.lock",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-23T16:57:31Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-23T19:47:08.018494246Z",
      "provider": "osv",
      "upstream": [
        "GHSA-5c6j-r48x-rmvq"
      ],
      "references": [
        "https://github.com/yahoo/serialize-javascript/security/advisories/GHSA-5c6j-r48x-rmvq",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-7660",
        "https://github.com/yahoo/serialize-javascript/commit/2e609d0a9f4f5b097f0945af88bd45b9c7fb48d9",
        "https://github.com/advisories/GHSA-hxcc-f52p-wc94",
        "https://github.com/yahoo/serialize-javascript",
        "https://github.com/yahoo/serialize-javascript/releases/tag/v7.0.3"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 425968,
  "published_at": "2026-06-24T10:24:57+00:00"
}