Auth bypass in Jishenghua Jsherp
CVE-2026-94494
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/LinYuanyi1/cve-request-poc/blob/master/jshERP/poc-09-tenant-cross-te… (exploit)
- github.com/jishenghua/jshERP/blob/v3.6/jshERP-boot/src/main/java/com/jsh/erp/co… (technical-description)
- github.com/jishenghua/jshERP (product)
- www.vulncheck.com/advisories/jsherp-through-3.6-tenant-information-disclosure-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-94494?
- CVE-2026-94494 is a medium-severity vulnerability in Jishenghua Jsherp, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.0/10. Published 2026-09-21.
- How severe is CVE-2026-94494?
- Medium severity. CVSS v3 base score is 5.0 out of 10.