SQL Injection in Aptabase
CVE-2026-63080
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.
Vulnerability class: SQL Injection
EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Aptabase — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (third-party-advisory)
- disclosure@vulncheck.com (technical-description, exploit)
Frequently asked questions
- What is CVE-2026-63080?
- CVE-2026-63080 is a medium-severity vulnerability in Aptabase, classified under SQL Injection. CVSS score: 6.5/10. Published 2026-07-21.
- How severe is CVE-2026-63080?
- Medium severity. CVSS v3 base score is 6.5 out of 10.