Medium 4.3Published Oct 26, 2026

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

Updated under an hour ago (Oct 29, 2026, 4:30 PM ET)

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It affects Openpanel-dev openpanel. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-116
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

Openpanel-dev openpanel openpanel_dev:openpanel (from the name)	before 3.0.0; 3.0.0 not affected	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.