EUVD-2026-80666
GHSA-gw83-68wp-9529
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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
Authenticated low-priv user (PR:L) makes an easy network request (AV:N/AC:L) that leaks limited PII/workflow data only, so C:L with I:N/A:N.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
5DescriptionCVE.org
yshop-crm through 2.1.3 contains a missing authorization vulnerability in the GET /admin-api/crm/flow/flow-users endpoint that allows any logged-in back-office user to access approval workflow data. Attackers can retrieve approval chain topology, step ordering, approver identifiers, and personal information including login names, nicknames, departments, email addresses, mobile numbers and last login IP addresses.
AnalysisAI
Missing authorization in yshop-crm through 2.1.3 allows any authenticated back-office user to read CRM approval-workflow data through GET /admin-api/crm/flow/flow-users, disclosing approval chain topology, step ordering, approver identifiers, and personal information such as login names, nicknames, departments, email addresses, mobile numbers, and last-login IP addresses. The endpoint does enforce authentication but omits any role or permission check, so a single low-privilege admin-panel account is sufficient - no elevated privileges, user interaction, or special configuration are required. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid authenticated back-office (admin panel) session of any privilege level - the endpoint enforces authentication but omits an authorization/role check, so any logged-in user can call GET /admin-api/crm/flow/flow-users regardless of their assigned role. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but modest-severity issue that should be prioritized as moderate, not critical. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch was identified in the available intelligence at time of analysis, so operators should not assume an upstream fix exists for versions through 2.1.3 - check the yshop-crm project at https://github.com/guchengwuyue/yshop-crm and the VulnCheck advisory at https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-missing-authorization-via-crm-approval-chain-endpoint for a later release before upgrading. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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