CVE-2026-116815

Medium

Description

OpenPanel before 3.0.0 contains an improper escaping vulnerability in sankey.service.ts that allows authenticated project members to break ClickHouse string literals by supplying backslashes in event names. Attackers with read access can submit crafted events[].name values to the chart.sankey procedure, causing ClickHouse parse errors that disable the project's Sankey chart endpoint.

SeverityMedium
CVSS4.3
Exploit probability—
ProductOpenpanel
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-116CWE-116

How to fix

Update
  • Openpanel-dev openpanel3.0.0 or later

Affected products

ProductAffected versionsFixed in
Openpanel-dev openpanelv < 3.0.03.0.0

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