CVE-2026-111670

ClickVisual through 1.1.2 contains a missing authorization vulnerability in the /api/v2/reports handlers that allows authenticated low-privileged users to access ClickHouse instances they were not granted. Attackers can iterate the instance-id parameter in ReportSourceDatabases, ReportSourceTables, ReportTableColumns and WhereCheckRun to enumerate schemas and infer row counts of restricted tables.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/api/apiv2/report/report.go#L282-L343
https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/service/report/metadata.go#L136-L152
https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-idor
https://www.vulncheck.com/advisories/clickvisual-through-1.1.2-missing-authorization-in-apiv2-report-module
https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-idor

Configurations

No configuration.

History

19 Oct 2026, 14:16

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-idor -~~	() https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-idor -

16 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 18:17

Updated : 2026-10-19 14:16

NVD link : CVE-2026-111670

Mitre link : CVE-2026-111670

CVE.ORG link : CVE-2026-111670

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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