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CVE-2026-63080 aptabase CVE debrief

CVE-2026-63080 is a SQL injection vulnerability in Aptabase's ClickHouse query backend. The vulnerability 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.

Vendor
aptabase
Product
Unknown
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-22
Advisory published
2026-07-21
Advisory updated
2026-07-22

Who should care

Organizations using Aptabase for event tracking and analytics should prioritize patching this vulnerability to prevent potential data breaches. Security teams and administrators responsible for maintaining Aptabase installations should be aware of this vulnerability and take immediate action to mitigate the risk.

Technical summary

The vulnerability exists in the ClickHouse query backend of Aptabase, specifically in the handling of filter parameters in Liquid SQL templates. An attacker can inject malicious SQL code through various parameters, including EventName, CountryCode, OsName, DeviceModel, AppVersion, and SessionId. This allows them to bypass tenant isolation and access event data across all tenants. The vulnerability affects thirteen out of fifteen stats API endpoints.

Defensive priority

High

Recommended defensive actions

  • Apply the patch or update to the latest version of Aptabase
  • Restrict access to the affected API endpoints
  • Monitor for suspicious activity and implement additional logging
  • Perform regular security audits and vulnerability assessments
  • Implement Web Application Firewall (WAF) rules to detect and prevent SQL injection attacks

Evidence notes

The CVE record was published on 2026-07-21T21:16:52.567Z and last modified on 2026-07-22T19:17:12.867Z. The NVD entry is currently Received. The vulnerability was reported by Vulncheck and other sources.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T21:16:52.567Z and has not been modified since then. The NVD entry is currently Received.