What is CVE-2026-116818?

CVE-2026-116818 is a high-severity vulnerability in Openpanel-Dev Openpanel, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-10-27.

How severe is CVE-2026-116818?

High severity. CVSS v3 base score is 8.2 out of 10.

SQL Injection in Openpanel-Dev Openpanel

CVE-2026-116818

OpenPanel before 3.0.0 contains an unauthenticated ClickHouse sql injection vulnerability that allows remote attackers to inject SQL through the projectId parameter of the /live/visitors/:projectId WebSocket, which lacks session and project-access checks. Attackers can use UNION or boolean count oracles to read other tenants' events and profiles, and project members can similarly inject via the cohort.preview timeframe values.

Vulnerability class: SQL Injection

Published 2026-10-27 · last modified 2026-10-27.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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

Openpanel-Dev Openpanel

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/Openpanel-dev/openpanel/security/advisories/GHSA-8wr9-x797-f238 (vendor-advisory)
github.com/Openpanel-dev/openpanel/commit/35ddc8ebbcd4ed0767933de61f014f153d684… (patch)
www.vulncheck.com/advisories/openpanel-before-3.0.0-unauthenticated-clickhouse-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-116818?: CVE-2026-116818 is a high-severity vulnerability in Openpanel-Dev Openpanel, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-10-27.
How severe is CVE-2026-116818?: High severity. CVSS v3 base score is 8.2 out of 10.