---
id: CVE-2026-116818
title: >-
  OpenPanel before 3.0.0 Unauthenticated ClickHouse SQL Injection via
  /live/visitors WebSocket
summary: >-
  OpenPanel before 3.0.0 contains an unauthenticated ClickHouse sql injection
  vulnerability that allows remote attackers to inject SQL through the projectId
  parameter of the /live/visitors/:projectId WebSocket, which lacks session and
  proj…
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-89
vendor: Openpanel-dev
product: openpanel
affected:
  - openpanel < 3.0.0
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-27T13:46:09.999229Z'
published: '2026-10-26'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T14:15:35.476Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116818'
references:
  - url: >-
      https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-8wr9-x797-f238
    label: GitHub Security Advisory (GHSA-8wr9-x797-f238)
  - url: >-
      https://github.com/Openpanel-dev/openpanel/commit/35ddc8ebbcd4ed0767933de61f014f153d68442a
  - url: >-
      https://www.vulncheck.com/advisories/openpanel-before-3.0.0-unauthenticated-clickhouse-sql-injection-via-live-visitors-websocket
    label: >-
      VulnCheck Advisory: OpenPanel before 3.0.0 Unauthenticated ClickHouse SQL
      Injection via /live/visitors WebSocket
tags:
  - cve.org
epss: 0.0043
epssPercentile: 0.37016
ingestedAt: '2026-10-27T16:11:59.447Z'
---

## Overview

OpenPanel before 3.0.0 contains an unauthenticated ClickHouse sql injection vulnerability that allows remote attackers to inject SQL through the projectId parameter of the /live/visitors/:projectId WebSocket, which lacks session and project-access checks. Attackers can use UNION or boolean count oracles to read other tenants' events and profiles, and project members can similarly inject via the cohort.preview timeframe values.

## Affected

- `openpanel < 3.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.