MEDIUM 5.3 NVD
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 acces
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.
References
- https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/api/apiv2/report/repor
- https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/service/report/metadat
- https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-id
- https://www.vulncheck.com/advisories/clickvisual-through-1.1.2-missing-authorization-in-ap
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-16 via NVD.
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