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UK Cyber Defence
VulnerabilityDeferred

CVE-2026-5999

A vulnerability has been found in JeecgBoot up to 3.9.1.

LOW 2.1EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0
2.1 LOWCVSS: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/M
EPSS
0.21% probability · 11th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-266, CWE-285
Source
cna@vuldb.com
EPSS trend
0%3%5%26 October 2026: 0.21%26 October 202626 October 2026

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.