EUVD-2026-84045
GHSA-73pr-pmq3-3g3w
Severity by source
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/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
Network-reachable endpoint needs any authenticated account (PR:L), no interaction; cross-tenant read crosses the authorization boundary (S:C) with confidentiality-only, limited data (C:L), no write or availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
4DescriptionCVE.org
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.
AnalysisAI
Authenticated tenant isolation bypass in jshERP through 3.6 allows any logged-in user to read other tenants' records from the GET /tenant/info endpoint by iterating tenant primary keys, exposing login names, validity dates, user quotas, and enabled state for every tenant on the platform. Exploitation requires only a valid account of any privilege level (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N) and publicly available exploit code exists, though CISA KEV does not list this CVE as actively exploited. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid authenticated jshERP account of any privilege level (PR:L) reachable over the network; no user interaction and no admin rights are needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but bounded issue. … 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 | Patch status is not confirmed from the available data: the references point to the vulnerable v3.6 controller source and to a VulnCheck advisory rather than to a fixed release, so no vendor-released patch version can be cited here - check https://github.com/jishenghua/jshERP and https://www.vulncheck.com/advisories/jsherp-through-3.6-tenant-information-disclosure-via-get-tenant-info for an updated build and upgrade as soon as a fixed tag appears. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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