EUVD-2026-84048
GHSA-3chc-24g6-56gr
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/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
Network endpoint, low complexity, needs only a low-priv account (PR:L); full read/modify of others' objects gives C:H/I:H, deletion of individual records is A:L not A:H.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
8DescriptionCVE.org
jshERP through 3.6 fails to validate object ownership in by-id info, update, and delete endpoints across multiple resource types. Authenticated users can read, modify, and delete other users' business objects by submitting direct object identifiers without authorization checks.
Articles & Coverage 1
AnalysisAI
Authenticated users of jshERP through 3.6 can read, modify, and delete other users' business objects - such as materials - by supplying direct object identifiers to by-id info, update, and delete endpoints that lack ownership checks (CWE-639). Exploitation requires a valid low-privileged account (PR:L per the CVSS vector) and network access to the affected API; publicly available exploit code exists, and object IDs are likely enumerable, though CISA KEV does not list active exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid low-privileged authenticated jshERP account (PR:L) with network access to the application's by-id info/update/delete API endpoints across the affected resource types (e.g. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine, moderately-high priority for any jshERP operator, but not an internet-emergency. … 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 identified at time of analysis; the only public fix guidance is the VulnCheck advisory (https://www.vulncheck.com/advisories/jsherp-through-3.6-unauthorized-access-via-by-id-endpoints) and a publicly available PoC (https://github.com/LinYuanyi1/cve-request-poc/blob/master/jshERP/poc-12-business-data-horizontal-access.py). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all jshERP instances through version 3.6, identify internet- or partner-facing APIs, restrict network access to trusted users, enforce least privilege, and monitor logs for by-id info, update, and delete calls from low-privileged accounts. …
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External POC / Exploit Code
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