Vulnerability in Openpanel-Dev Openpanel
CVE-2026-116815
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Openpanel-dev/openpanel/security/advisories/GHSA-gvr5-22f4-pj6g (vendor-advisory)
- www.vulncheck.com/advisories/openpanel-before-3.0.0-improper-clickhouse-escapin… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-116815?
- CVE-2026-116815 is a medium-severity vulnerability in Openpanel-Dev Openpanel, classified under Improper Encoding or Escaping of Output. CVSS score: 4.3/10. Published 2026-10-27.
- How severe is CVE-2026-116815?
- Medium severity. CVSS v3 base score is 4.3 out of 10.