CVE-2026-100878CWE-285CWE-639

CVE-2026-100878

Medium · published September 28, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
10.9
In the wild
Unconfirmed
What it is

A vulnerability was identified in zhistaredu StarTraining up to 3.8.1. Affected by this issue is the function SysUser.isAdmin of the file edu-common/src/main/java/com/edu/common/core/domain/entity/SysUser.java of the component authRole Endpoint. The manipulation of the argument userId/roleIds leads to authorization bypass. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00211 · 10.9th percentile
Weaknesses
CWE-285 · Improper Authorization; CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-28T01:17Z
References (5)
https://github.com/ArrestX/startraining-advisories/blob/main/advisories/ST-VULN-004-idor-auth-role-privesc.md · [email protected]https://vuldb.com/cve/CVE-2026-100878 · [email protected]https://vuldb.com/submit/915510 · [email protected]https://vuldb.com/vuln/410808 · [email protected]https://vuldb.com/vuln/410808/cti · [email protected]
EPSS history
Timeline
  • 29 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 27 SEP 20:30Z
    zhistaredu StarTraining authRole Endpoint SysUser.java SysUser.isAdmin authorization
    cvelistv5