JeecgBoot up to 3.9.5 Authorization Check queryUserAuths userId improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k1.64-

Summaryinfo

A vulnerability classified as problematic was found in JeecgBoot up to 3.9.5. Impacted is the function queryUserAuths of the component Authorization Check. Such manipulation of the argument userId leads to improper authorization. This vulnerability is documented as CVE-2026-108866. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in JeecgBoot up to 3.9.5 and classified as problematic. Affected by this issue is the function queryUserAuths of the component Authorization Check. The manipulation of the argument userId with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. CVE summarizes:

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows authenticated users to read any account's permissions via the queryUserAuths handler. Low-privileged attackers can supply an arbitrary userId parameter to retrieve another user's complete permission set and identify administrator accounts.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-108866 since 10/11/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/11/2026). The MITRE ATT&CK project declares the attack technique as T1548.002.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (VulnCheck): 🔒

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: 🔒
Status: Not defined
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

10/11/2026 Advisory disclosed
10/11/2026 +0 days CVE reserved
10/11/2026 +0 days VulDB entry created
10/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-108866 (🔒)
GCVE (CVE): GCVE-0-2026-108866
GCVE (VulDB): GCVE-100-416696

Entryinfo

Created: 10/11/2026 16:57
Changes: 10/11/2026 16:57 (75)
Complete: 🔍
Cache ID: 216::103

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