SQL Injection in Cap-Go Capgo
CVE-2026-56221
Cap-go before 12.128.2 contains multiple SQL injection vulnerabilities in cloudflare.ts where user-controlled values from API request bodies are interpolated directly into SQL query strings without sanitization or parameterization. Authenticated users with read-level API key permissions can inject arbitrary SQL through deviceIds, search, version_name, cursor, and actions parameters to access analytics data belonging to other users or applications.
Vulnerability class: SQL Injection
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (31.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cap-Go Capgo — versions 0, 12.128.2
Weakness classification (CWE)
References
- github.com/Cap-go/capgo/security/advisories/GHSA-f83x-p28r-pf74 (vendor-advisory)
- www.vulncheck.com/advisories/cap-go-sql-injection-in-cloudflare-analytics-engin… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56221?
- CVE-2026-56221 is a medium-severity vulnerability in Cap-Go Capgo, classified under SQL Injection. CVSS score: 6.5/10. Published 2026-06-22.
- How severe is CVE-2026-56221?
- Medium severity. CVSS v3 base score is 6.5 out of 10.