Vulnerability · Published Oct 16, 2026 · Assigned by VulnCheck

CVE-2026-111670ClickVisual through 1.1.2 Missing Authorization in apiv2 Report Module

Medium 4.3

In plain English

A medium-severity missing authorization in clickvisual from clickvisual. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 75.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
clickvisual	clickvisual	0 – through 1.1.2

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://hackmd.io/@hieuPenguinnn/clickvisual-report-module-missing-authz-cross-instance-idor third-party-advisory
https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/api/apiv2/report/report.go#L282-L343 technical-description
https://github.com/clickvisual/clickvisual/blob/v1.1.2/api/internal/service/report/metadata.go#L136-L152 technical-description
VulnCheck Advisory: ClickVisual through 1.1.2 Missing Authorization in apiv2 Report Module third-party-advisory