What’s Vulnerable › Vulnerabilities

CVE-2026-116815: OpenPanel before 3.0.0 Improper ClickHouse Escaping in sankey.service.ts

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-26 · updated 2026-10-31
• Weakness: CWE-116

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.

Affected products

• Openpanel-dev openpanel: before 3.0.0 — fixed in 3.0.0

How to fix

Upgrade to a fixed version: Openpanel-dev openpanel 3.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-gvr5-22f4-pj6g
• https://www.vulncheck.com/advisories/openpanel-before-3.0.0-improper-clickhouse-escaping-in-sankey-service-ts

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