CVE-2026-23959: CoreShop Vulnerable to SQL Injection via Admin customer-company-modifier

January 21, 2026 (updated January 22, 2026)

An error-based SQL Injection vulnerability was identified in the CustomerTransformerController within the CoreShop admin panel. The affected endpoint improperly interpolates user-supplied input into a SQL query, leading to database error disclosure and potential data extraction.

This issue is classified as MEDIUM severity, as it allows SQL execution in an authenticated admin context.

References

github.com/advisories/GHSA-fqcv-8859-86x2
github.com/coreshop/CoreShop
github.com/coreshop/CoreShop/commit/af80b8f5c7df5f02f44e9c5e0a4a564de274eec2
github.com/coreshop/CoreShop/releases/tag/4.1.9
github.com/coreshop/CoreShop/security/advisories/GHSA-fqcv-8859-86x2
nvd.nist.gov/vuln/detail/CVE-2026-23959

Code Behaviors & Features

Detect and mitigate CVE-2026-23959 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →