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Medium

jshERP through 3.6 Tenant Information Disclosure via GET /tenant/info

Type: advisorySources: OSV

jshERP through 3.6 contains a tenant isolation bypass vulnerability that allows authenticated users to read other tenants' records via the GET /tenant/info endpoint. Attackers can iterate the primary key to enumerate and access sensitive tenant data including login names, validity dates, user quotas, and enabled state across all platform tenants.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-94494
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 14:01 UTC · Revision 1

Source evidence

jshERP through 3.6 Tenant Information Disclosure via GET /tenant/info

core-osv · Original source

Published 21 Sept 2026, 18:16 UTC

jshERP through 3.6 contains a tenant isolation bypass vulnerability that allows authenticated users to read other tenants' records via the GET /tenant/info endpoint. Attackers can iterate the primary key to enumerate and access sensitive tenant data including login names, validity dates, user quotas, and enabled state across all platform tenants.

osv:CVE-2026-94494
Complete source record
{
  "id": "a57cf379cbb600a8e683d027713867198a0670a7a1d0e921e51b6bcce0b53088",
  "url": "https://osv.dev/vulnerability/CVE-2026-94494",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "jshERP through 3.6 Tenant Information Disclosure via GET /tenant/info",
    "summary": "jshERP through 3.6 contains a tenant isolation bypass vulnerability that allows authenticated users to read other tenants' records via the GET /tenant/info endpoint. Attackers can iterate the primary key to enumerate and access sensitive tenant data including login names, validity dates, user quotas, and enabled state across all platform tenants.",
    "evidence": "osv:CVE-2026-94494",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-94494",
      "aliases": [
        "CVE-2026-94494"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jishenghua/jsherp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "8f28e7c2fe54d54de3621a414f5df1833dc5a55f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.6"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.6",
            "v3.3",
            "v3.2",
            "v3.1",
            "v3.0",
            "v2.3.1",
            "v2.3",
            "v2.1",
            "v2.0",
            "v1.5",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-94494.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:35.838929195Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94494.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-94494",
        "https://www.vulncheck.com/advisories/jsherp-through-3.6-tenant-information-disclosure-via-get-tenant-info",
        "https://github.com/jishenghua/jshERP",
        "https://github.com/jishenghua/jshERP/blob/v3.6/jshERP-boot/src/main/java/com/jsh/erp/controller/TenantController.java#L36-L48",
        "https://github.com/LinYuanyi1/cve-request-poc/blob/master/jshERP/poc-09-tenant-cross-tenant-read.py"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94494.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-94494",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503398,
  "published_at": "2026-09-21T18:16:14.997+00:00"
}