JeecgBoot up to 3.9.1 SysAnnouncementController improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in JeecgBoot up to 3.9.1. Affected is an unknown function of the component SysAnnouncementController. Performing a manipulation results in improper authorization. This vulnerability was named CVE-2026-5999. The attack may be initiated remotely. In addition, an exploit is available. The vendor confirmed the issue and will provide a fix in the upcoming release.

Detailsinfo

A vulnerability classified as critical has been found in JeecgBoot up to 3.9.1. This affects an unknown functionality of the component SysAnnouncementController. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-5999. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor confirmed the issue and will provide a fix in the upcoming release.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/09/2026 Advisory disclosed
04/09/2026 +0 days VulDB entry created
04/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 9508
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-5999 (🔒)
GCVE (CVE): GCVE-0-2026-5999
GCVE (VulDB): GCVE-100-356553
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/09/2026 15:08
Changes: 04/09/2026 15:08 (56)
Complete: 🔍
Submitter: XinX
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #793656: jeecgboot web 3.9.1 Improper Access Controls (by XinX)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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