Medium severity · published Oct 16, 2026
CVE-2026-111703
yshop-crm through 2.1.3 IDOR via CRM customer by-id endpoints
6.3
CVSS
0.2%
EPSS
No
On KEV
Description
yshop-crm through 2.1.3 contains an insecure direct object reference vulnerability that allows authenticated sales users to access other users' customer records by supplying arbitrary ids. Attackers can enumerate ids against the get, update, delete and do-open endpoints to read contact details, overwrite or delete customers, or release them into the public pool.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YS
yshop-crm · guchengwuyue
through 2.1.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111703
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111703
github.com
https://github.com/guchengwuyue/yshop-crm/blob/a93846584877ed5f6ffcaeeb7182d1707a21a221/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/controller/admin/crmcustomer/CrmCustomerController.java#L46-L87
github.com
https://github.com/guchengwuyue/yshop-crm/blob/a93846584877ed5f6ffcaeeb7182d1707a21a221/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/service/crmcustomer/CrmCustomerServiceImpl.java#L105-L203
hackmd.io
https://hackmd.io/@hieuPenguinnn/yshop-crm-customer-idor-and-missing-authz
www.vulncheck.com
https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-idor-via-crm-customer-by-id-endpoints
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