Vulnerability-Lookup

FKIE_CVE-2026-92455

Vulnerability from fkie_nvd - Published: 2026-09-16 12:17 - Updated: 2026-09-23 11:10

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

yshop-crm through 2.1.3 fails to enforce authorization on the sendSms and sendMail endpoints in CrmCustomerController, allowing any authenticated back-office user to send SMS and email to arbitrary customers. Attackers can invoke POST /admin-api/crm/customer/send-sms and POST /admin-api/crm/customer/send-mail with arbitrary customerIds, templateCode, and templateParams to deliver unauthorized messages through the organization's SMS and email channels.

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C01_crm_customer_send_sms.py
	disclosure@vulncheck.com	https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C02_crm_customer_send_mail.py
	disclosure@vulncheck.com	https://github.com/guchengwuyue/yshop-crm
	disclosure@vulncheck.com	https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/pom.xml#L30
	disclosure@vulncheck.com	https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/controller/admin/crmcustomer/CrmCustomerController.java#L122
	disclosure@vulncheck.com	https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/service/crmcustomer/CrmCustomerServiceImpl.java#L264
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-missing-authorization-via-crm-customer-messaging-endpoints

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/guchengwuyue/yshop-crm",
          "product": "yshop-crm",
          "repo": "https://github.com/guchengwuyue/yshop-crm",
          "vendor": "guchengwuyue",
          "versions": [
            {
              "lessThanOrEqual": "2.1.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "yshop-crm through 2.1.3 fails to enforce authorization on the sendSms and sendMail endpoints in CrmCustomerController, allowing any authenticated back-office user to send SMS and email to arbitrary customers. Attackers can invoke POST /admin-api/crm/customer/send-sms and POST /admin-api/crm/customer/send-mail with arbitrary customerIds, templateCode, and templateParams to deliver unauthorized messages through the organization\u0027s SMS and email channels."
    },
    {
      "lang": "es",
      "value": "yshop-crm hasta la versi\u00f3n 2.1.3 no aplica la autorizaci\u00f3n en los endpoints sendSms y sendMail en CrmCustomerController, permitiendo a cualquier usuario autenticado de back-office enviar SMS y correos electr\u00f3nicos a clientes arbitrarios. Los atacantes pueden invocar POST /admin-API/crm/customer/send-sms y POST /admin-API/crm/customer/send-mail con customerIds, templateCode y templateParams arbitrarios para entregar mensajes no autorizados a trav\u00e9s de los canales de SMS y correo electr\u00f3nico de la organizaci\u00f3n."
    }
  ],
  "id": "CVE-2026-92455",
  "lastModified": "2026-09-23T11:10:00.187",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-92455",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-17T18:39:33.565308Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-16T12:17:06.743",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C01_crm_customer_send_sms.py"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C02_crm_customer_send_mail.py"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/guchengwuyue/yshop-crm"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/pom.xml#L30"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/controller/admin/crmcustomer/CrmCustomerController.java#L122"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/service/crmcustomer/CrmCustomerServiceImpl.java#L264"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-missing-authorization-via-crm-customer-messaging-endpoints"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

CVE-2026-92455 (GCVE-0-2026-92455)

Vulnerability from cvelistv5 – Published: 2026-09-16 11:07 – Updated: 2026-09-17 19:26

Title

yshop-crm through 2.1.3 Missing Authorization via CRM Customer Messaging Endpoints

Summary

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-17 18:39 UTC

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck mitre root

References

7 references

URL	Tags
https://github.com/LinYuanyi1/cve-request-poc/blo…	exploit
https://github.com/LinYuanyi1/cve-request-poc/blo…	exploit
https://github.com/guchengwuyue/yshop-crm/blob/5f…	technical-description
https://github.com/guchengwuyue/yshop-crm/blob/5f…	technical-description
https://github.com/guchengwuyue/yshop-crm/blob/5f…	technical-description
https://github.com/guchengwuyue/yshop-crm	product
https://www.vulncheck.com/advisories/yshop-crm-th…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
guchengwuyue	yshop-crm	Affected: 0 , ≤ 2.1.3 (semver)

Date Public

2026-09-13 00:00

Credits

Mingsheng Lin (lincoke)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-92455",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-17T18:39:33.565308Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-17T19:26:53.422Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/guchengwuyue/yshop-crm",
          "product": "yshop-crm",
          "repo": "https://github.com/guchengwuyue/yshop-crm",
          "vendor": "guchengwuyue",
          "versions": [
            {
              "lessThanOrEqual": "2.1.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Mingsheng Lin (lincoke)"
        }
      ],
      "datePublic": "2026-09-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "yshop-crm through 2.1.3 fails to enforce authorization on the sendSms and sendMail endpoints in CrmCustomerController, allowing any authenticated back-office user to send SMS and email to arbitrary customers. Attackers can invoke POST /admin-api/crm/customer/send-sms and POST /admin-api/crm/customer/send-mail with arbitrary customerIds, templateCode, and templateParams to deliver unauthorized messages through the organization\u0027s SMS and email channels."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T11:07:26.041Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Reporter proof of concept: unauthorized SMS dispatch via /crm/customer/send-sms",
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C01_crm_customer_send_sms.py"
        },
        {
          "name": "Reporter proof of concept: unauthorized mail dispatch via /crm/customer/send-mail",
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/yshop-crm/C02_crm_customer_send_mail.py"
        },
        {
          "name": "sendSms and sendMail declared without @PreAuthorize at 2.1.3",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/controller/admin/crmcustomer/CrmCustomerController.java#L122"
        },
        {
          "name": "sendSms resolves recipients from caller-supplied customerIds with no scope predicate",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/service/crmcustomer/CrmCustomerServiceImpl.java#L264"
        },
        {
          "name": "Maven revision property showing the affected tree is version 2.1.3",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1e4ab0828523ec299bf973c2f9065d7/yshop-crm/pom.xml#L30"
        },
        {
          "name": "yshop-crm source repository",
          "tags": [
            "product"
          ],
          "url": "https://github.com/guchengwuyue/yshop-crm"
        },
        {
          "name": "VulnCheck Advisory: yshop-crm through 2.1.3 Missing Authorization via CRM Customer Messaging Endpoints",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-missing-authorization-via-crm-customer-messaging-endpoints"
        }
      ],
      "title": "yshop-crm through 2.1.3 Missing Authorization via CRM Customer Messaging Endpoints",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-92455",
    "datePublished": "2026-09-16T11:07:26.041Z",
    "dateReserved": "2026-09-16T10:40:53.778Z",
    "dateUpdated": "2026-09-17T19:26:53.422Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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FKIE_CVE-2026-92455

CVE-2026-92455 (GCVE-0-2026-92455)

Tags

Sightings

Nomenclature

Related by attack behaviour