Budibase before 3.45.0 Cross-Workspace Privilege Escalation via POST /api/global/groups/:groupId/apps

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-100686",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-09-26T13:23:46.674Z",
    "dateReserved": "2026-09-26T02:37:41.037Z",
    "datePublished": "2026-09-26T13:23:46.674Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-09-26T13:23:46.674Z"
      },
      "datePublic": "2026-09-10T00:00:00.000Z",
      "title": "Budibase before 3.45.0 Cross-Workspace Privilege Escalation via POST /api/global/groups/:groupId/apps",
      "descriptions": [
        {
          "lang": "en",
          "value": "Budibase versions before 3.45.0 fail to validate per-app authorization in the POST /api/global/groups/:groupId/apps endpoint, allowing builders to assign application roles across workspace boundaries. A builder of a single workspace can exploit missing per-app authorization checks to grant themselves admin roles in other workspaces by modifying user group role mappings."
        }
      ],
      "affected": [
        {
          "vendor": "budibase",
          "product": "server",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.45.0"
            },
            {
              "version": "3.45.0",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Improper Privilege Management",
              "cweId": "CWE-269",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/Budibase/budibase/security/advisories/GHSA-pp5r-q4fp-mcj3",
          "name": "GitHub Security Advisory (GHSA-pp5r-q4fp-mcj3)",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/budibase-before-3.45.0-cross-workspace-privilege-escalation-via-post-api-global-groups-groupid-apps",
          "name": "VulnCheck Advisory: Budibase before 3.45.0 Cross-Workspace Privilege Escalation via POST /api/global/groups/:groupId/apps",
          "tags": [
            "third-party-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS"
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "moratoantoine",
          "type": "reporter"
        }
      ]
    }
  }
}