{"id":"CVE-2026-116815","title":"OpenPanel before 3.0.0 Improper ClickHouse Escaping in sankey.service.ts","summary":"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…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-116"],"vendor":"Openpanel-dev","product":"openpanel","affected":["openpanel < 3.0.0"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T23:05:44.097Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116815","references":[{"url":"https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-gvr5-22f4-pj6g","label":"GitHub Security Advisory (GHSA-gvr5-22f4-pj6g)"},{"url":"https://www.vulncheck.com/advisories/openpanel-before-3.0.0-improper-clickhouse-escaping-in-sankey-service-ts","label":"VulnCheck Advisory: OpenPanel before 3.0.0 Improper ClickHouse Escaping in sankey.service.ts"}],"tags":["cve.org"],"epss":0.0023,"epssPercentile":0.13796,"ingestedAt":"2026-10-27T16:11:59.144Z","slug":"CVE-2026-116815","body":"## Overview\n\nOpenPanel 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.\n\n## Affected\n\n- `openpanel < 3.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}