Authentication Bypass by Spoofing in Jacamar CI

{
  "id": "632f62a35796e579df2d382e9b8a28e12113eba298fd6d1cf5f5911f7c7491dc",
  "url": "https://osv.dev/vulnerability/CVE-2026-107589",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Authentication Bypass by Spoofing in Jacamar CI",
    "summary": "Insufficient job validation for service accounts in Jacamar CI prior to v0.30.0 allows authenticated CI users to generate arbitrary account names.",
    "evidence": "osv:CVE-2026-107589",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-107589",
      "aliases": [
        "CVE-2026-107589"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/ecp-ci/jacamar-ci",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1e7eda53a6696356671c36421d9f367ea4d37d60"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.30.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.29.0",
            "v0.28.1",
            "v0.28.0",
            "v0.27.3",
            "v0.27.2",
            "v0.27.1",
            "v0.27.0",
            "v0.26.0",
            "v0.25.0",
            "v0.24.1",
            "v0.24.0",
            "v0.23.0",
            "v0.22.0",
            "v0.21.0",
            "v0.20.0",
            "v0.19.1",
            "v0.19.0",
            "v0.18.0",
            "v0.17.0",
            "v0.16.0",
            "v0.15.0",
            "v0.14.0",
            "v0.13.0",
            "v0.12.0",
            "v0.11.0",
            "v0.10.2",
            "v0.10.1",
            "v0.10.0",
            "v0.9.0",
            "v0.8.1",
            "v0.8.0",
            "v0.7.3",
            "v0.7.2",
            "v0.7.1",
            "v0.7.0",
            "v0.6.0",
            "v0.5.0",
            "v0.4.1",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107589.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.270328678Z",
      "provider": "osv",
      "references": [
        "https://ecp-ci.gitlab.io/docs/releasenotes/jacamar/jacamar_0.30.0.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107589.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-107589",
        "https://gitlab.com/ecp-ci/jacamar-ci"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-290"
        ],
        "cna_assigner": "GitLab",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107589.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-107589",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513250,
  "published_at": "2026-10-08T15:11:04.585+00:00"
}