Dockhand before 1.0.50 OIDC Privilege Escalation via Missing Token Claim Validation

{
  "id": "ae809d067fec930f5c329faddc50df464680c5b92d130cef3d74e202b1febe3e",
  "url": "https://osv.dev/vulnerability/CVE-2026-110112",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Dockhand before 1.0.50 OIDC Privilege Escalation via Missing Token Claim Validation",
    "summary": "Dockhand before 1.0.50 contains a privilege escalation vulnerability that allows users from another tenant to gain admin access because OIDC iss, aud, nonce and exp claims are not validated. Attackers with admin rights in another tenant of a shared provider like Microsoft Entra ID can recreate the mapped admin group and log in as Dockhand administrators.",
    "evidence": "osv:CVE-2026-110112",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-110112",
      "aliases": [
        "CVE-2026-110112",
        "GHSA-h4vc-h76x-c279"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/finsys/dockhand",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d67cc4210a5e1d6daefc1c258bf3ed73afbe02cc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.50"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.50"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.49",
            "v1.0.48",
            "v1.0.47",
            "v1.0.46",
            "v1.0.45",
            "v1.0.44",
            "v1.0.43",
            "v1.0.42",
            "v1.0.41",
            "v1.0.40",
            "v1.0.39",
            "v1.0.38",
            "v1.0.37",
            "v1.0.36",
            "v1.0.35",
            "v1.0.34",
            "v1.0.33",
            "v1.0.32",
            "v1.0.31",
            "v1.0.30",
            "v1.0.29",
            "v1.0.28",
            "v1.0.27",
            "v1.0.26"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110112.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.028962612Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110112.json",
        "https://github.com/Finsys/dockhand/security/advisories/GHSA-h4vc-h76x-c279",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-110112",
        "https://www.vulncheck.com/advisories/dockhand-before-1.0.50-oidc-privilege-escalation-via-missing-token-claim-validation",
        "https://github.com/Finsys/dockhand"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110112.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-110112",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 519891,
  "published_at": "2026-10-13T19:05:27.234+00:00"
}