CVE-2026-5999

| EUVD-2026-21280 MEDIUM
2026-04-10 VulDB
5.3
CVSS 4.0
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CVSS Vector

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
PoC Detected
Apr 10, 2026 - 03:16 vuln.today
Public exploit code
Analysis Generated
Apr 10, 2026 - 02:45 vuln.today
EUVD ID Assigned
Apr 10, 2026 - 02:45 euvd
EUVD-2026-21280
CVE Published
Apr 10, 2026 - 01:45 nvd
MEDIUM 5.3

Tags

Authentication Bypass Privilege Escalation Jeecgboot

Description

A vulnerability has been found in JeecgBoot up to 3.9.1. This impacts an unknown function of the component SysAnnouncementController. Such manipulation leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor confirmed the issue and will provide a fix in the upcoming release.

Analysis

Improper authorization in JeecgBoot up to version 3.9.1 allows authenticated remote attackers to bypass access controls in the SysAnnouncementController component, potentially leading to unauthorized data modification and disclosure. The vulnerability has a CVSS score of 6.3 (medium severity) and carries an EPSS severity rating reflecting real-world exploitability; publicly available exploit code exists and the vendor has confirmed the issue with a patch expected in an upcoming release.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

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CVE-2026-5999 vulnerability details – vuln.today
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