{"id":"CVE-2026-111670","title":"ClickVisual through 1.1.2 Missing Authorization in apiv2 Report Module","summary":"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 insta…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"clickvisual","product":"clickvisual","affected":["clickvisual <= 1.1.2"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T17:39:31.782Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111670","references":[{"url":"https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-idor"},{"url":"https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/api/apiv2/report/report.go#L282-L343"},{"url":"https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/service/report/metadata.go#L136-L152"},{"url":"https://www.vulncheck.com/advisories/clickvisual-through-1.1.2-missing-authorization-in-apiv2-report-module","label":"VulnCheck Advisory: ClickVisual through 1.1.2 Missing Authorization in apiv2 Report Module"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T18:43:08.668Z","slug":"CVE-2026-111670","body":"## Overview\n\nClickVisual 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.\n\n## Affected\n\n- `clickvisual <= 1.1.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}