CVE-2026-8196

LOW

JeecgBoot mLogin Endpoint LoginController.java authorization

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-8196. PoCs published by HORKimhab.

AI-analyzed exploit summary This repository contains a functional exploit PoC for CVE-2026-8196, demonstrating an authentication bypass in JeecgBoot via the `/sys/mLogin` endpoint, which lacks captcha enforcement compared to the standard `/sys/login` endpoint. The exploit includes a brute-force demonstration to highlight the vulnerability's impact.

Description

A flaw has been found in JeecgBoot 3.9.1. The impacted element is an unknown function of the file jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/LoginController.java of the component mLogin Endpoint. This manipulation causes authorization bypass. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is regarded as difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Exploits (1)

nomisec WORKING POC
by HORKimhab · poc
https://github.com/HORKimhab/CVE-2026-8196

This repository contains a functional exploit PoC for CVE-2026-8196, demonstrating an authentication bypass in JeecgBoot via the `/sys/mLogin` endpoint, which lacks captcha enforcement compared to the standard `/sys/login` endpoint. The exploit includes a brute-force demonstration to highlight the vulnerability's impact.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: JeecgBoot
No auth needed
Prerequisites: network access to the target JeecgBoot instance
devstral-2 · analyzed May 13, 2026 Full analysis →

References (4)

Core 4
Core References
Vdb Entry vdb-entry
VDB-362348 | JeecgBoot mLogin Endpoint LoginController.java authorization
https://vuldb.com/vuln/362348
Signature, Permissions Required signature permissions-required
VDB-362348 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/362348/cti
Third Party Advisory third-party-advisory
Submit #803529 | jeecgboot JeecgBoot 3.9.1 Authorization Bypass
https://vuldb.com/submit/803529

Scores

CVSS v3 3.7
EPSS 0.0046
EPSS Percentile 36.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-285 CWE-639
Status published
Products (1)
None/JeecgBoot 3.9.1
Published May 09, 2026
Tracked Since May 10, 2026