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

Quick assessment

Affected
clickvisual clickvisual
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ClickVisual 1.1.2 及更早版本在 处理程序中缺少授权验证，导致已认证的低权限用户能够访问其未被授权的 ClickHouse 实例。攻击者可通过遍历 、 、 和 中的 参数，枚举数据库架构并推断受限表的行数。

CVSS 4.3 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
clickvisual clickvisual ≤ 1.1.2 affected
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I. Basic Information for CVE-2026-111670

Vulnerability Information
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Vulnerability Title
ClickVisual through 1.1.2 Missing Authorization in apiv2 Report Module
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
clickvisual clickvisual 0 ~ 1.1.2 -

II. Public POCs for CVE-2026-111670

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111670

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Patches & Fixes for CVE-2026-111670 (1)

Vendor Advisories for CVE-2026-111670 (1)

Proof of Concept for CVE-2026-111670 (1)

Security Blog Posts for CVE-2026-111670 (1)

IV. Related Vulnerabilities

Same weakness: CWE-862

V. Comments for CVE-2026-111670

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