CVE-2026-116818

High

Description

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.

SeverityHigh

CVSS8.2

Exploit probability—

Product

Openpanel

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-89SQL injection

How to fix

Update

Openpanel-dev openpanel3.0.0 or later

Patches

github.com/Openpanel-dev/openpanel/commit/35ddc8ebbcd4ed0767933de61f014f153d68442a

Vendor advisories

github.com/Openpanel-dev/openpanel/security/advisories/GHSA-8wr9-x797-f238

Affected products

Product	Affected versions	Fixed in
Openpanel-dev openpanel	v < 3.0.0	3.0.0

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