Jeepay through 3.2.9 IDOR via POST /api/mch/payConfigs

{
  "id": "6b36c361f27e1cc32c9b661ffb0617cf75db486ae6f09fdbaf0317961283d7f4",
  "url": "https://osv.dev/vulnerability/CVE-2026-111607",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Jeepay through 3.2.9 IDOR via POST /api/mch/payConfigs",
    "summary": "Jeepay through 3.2.9 contains an insecure direct object reference vulnerability that allows authenticated merchant users to overwrite another merchant application's payment channel configuration by supplying a victim infoId to MchPayInterfaceConfigController.saveOrUpdate. Attackers holding the default ENT_MCH_PAY_CONFIG_ADD permission can replace signing keys, certificates, and fee rates to break or redirect the victim merchant's payment processing.",
    "evidence": "osv:CVE-2026-111607",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-111607",
      "aliases": [
        "CVE-2026-111607"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jeequan/jeepay",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c9215fac03a4bb556322c0b245611d573b0687cd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.2.9"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.2.9"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "V3.2.9",
            "V3.2.8",
            "V3.2.7",
            "V3.2.6",
            "V3.2.5",
            "V3.2.4",
            "V3.2.3",
            "V3.2.2",
            "V3.2.1",
            "V3.2.0",
            "V3.1.0",
            "v3.0.0",
            "V3.0.0",
            "v2.4.0",
            "V2.4.0",
            "v2.3.0",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0",
            "v2.1.0",
            "v2.0.0",
            "v1.16.0",
            "v1.15.0",
            "v1.14.0",
            "v1.12.0",
            "v1.11.0",
            "v.11.0",
            "v1.10.0",
            "v1.9.0",
            "v1.8.0",
            "v1.7.0",
            "v1.6.0",
            "v1.5.1",
            "v1.5.0",
            "v1.4.0",
            "v1.2.0",
            "v1.1.1",
            "v1.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111607.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.274714390Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111607.json",
        "https://hackmd.io/@hieuPenguinnn/jeepay-mch-payconfig-write-and-division-receiver-delete-cross-merchant-authz",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111607",
        "https://www.vulncheck.com/advisories/jeepay-through-3.2.9-idor-via-post-api-mch-payconfigs",
        "https://github.com/jeequan/jeepay",
        "https://github.com/jeequan/jeepay/blob/V3.2.9/jeepay-merchant/src/main/java/com/jeequan/jeepay/mch/ctrl/merchant/MchPayInterfaceConfigController.java#L146-L186"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111607.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111607",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510134,
  "published_at": "2026-10-16T17:38:48.333+00:00"
}