CVE-2026-63080 Aptabase SQL Injection via ClickHouse query backend
Authenticated attackers can inject SQL into ClickHouse queries to bypass tenant isolation and read event data across all tenants.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63080?
CVE-2026-63080 is a high-severity SQL injection vulnerability in aptabase, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Aptabase through commit 5a89368 contains a SQL injection vulnerability in the ClickHouse query backend that allows authenticated attackers to read event data across all tenants by injecting unsanitized filter parameters into Liquid SQL templates. Attackers can supply malicious values through EventName, CountryCode, OsName, DeviceModel, AppVersion, or SessionId parameters to inject a UNION ALL statement that bypasses the app_id tenant isolation filter across thirteen of the fifteen stats API endpoints.
Weakness: CWE-89
Which versions are affected by CVE-2026-63080?
How do I fix CVE-2026-63080?
No fix has been published for CVE-2026-63080 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-63080 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-63080 exists.
Sources
Also known as GHSA-8c62-2f67-357x.