Authorization Bypass Vulnerability in JeecgBoot by Jeecg
CVE-2026-8196

6.3MEDIUM

Key Information:

Vendor

Jeecg

Status
Jeecgboot
Vendor
CVE Published:
9 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8196?

A vulnerability has been identified in JeecgBoot 3.9.1 involving an unknown function in the LoginController, specifically related to the mLogin Endpoint. This flaw enables an attacker to bypass authorization mechanisms, allowing for unauthorized access. The vulnerability can be exploited remotely, though it is characterized by high complexity, making successful exploitation difficult. Despite notification to the vendor prior to public disclosure, no response was received regarding remediation efforts.

Affected Version(s)

JeecgBoot 3.9.1

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-2026-8196 - Proof of Concept

References

https://vuldb.com/vuln/362348
vdb-entry
https://vuldb.com/vuln/362348/cti
signaturepermissions-required
https://vuldb.com/submit/803529
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

xpp39 (VulDB User)
VulDB CNA Team
.