Authorization Bypass in zhistaredu StarTraining by zhistaredu
CVE-2026-100878

5.3MEDIUM

Key Information:

Vendor

Zhistaredu

Status
Startraining
Vendor
CVE Published:
27 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-100878?

An authorization bypass vulnerability exists in the zhistaredu StarTraining application, specifically within the SysUser.isAdmin function in the authRole Endpoint. This issue arises due to inadequate validation of the userId and roleIds parameters, allowing an unauthorized user to gain administrative privileges. The vulnerability can be exploited remotely, and public exploit code is available, increasing the risk of attack. The vendor has been informed about this critical issue but has not responded.

Affected Version(s)

StarTraining 3.8.0

StarTraining 3.8.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-100878 - Proof of Concept

References

https://vuldb.com/vuln/410808
vdb-entrytechnical-description
https://vuldb.com/vuln/410808/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-100878
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

thmanhz (VulDB User)
VulDB CNA Team
.