Auth bypass in Zhistaredu Startraining
CVE-2026-100879
A security flaw has been discovered in zhistaredu StarTraining up to 3.8.1. This affects the function checkRoleAllowed of the file SysRoleServiceImpl.java of the component dataScope Endpoint. The manipulation results in missing authorization. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Zhistaredu Startraining — versions 3.8.0, 3.8.1
Weakness classification (CWE)
References
- vuldb.com/vuln/410809 (technical-description, vdb-entry)
- vuldb.com/vuln/410809/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-100879 (third-party-advisory)
- vuldb.com/submit/915511 (third-party-advisory)
- github.com/ArrestX/startraining-advisories/blob/main/advisories/ST-VULN-005-rol… (exploit)
Frequently asked questions
- What is CVE-2026-100879?
- CVE-2026-100879 is a medium-severity vulnerability in Zhistaredu Startraining, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-27.
- How severe is CVE-2026-100879?
- Medium severity. CVSS v3 base score is 4.3 out of 10.