CVE-2026-12206: SQL Injection in Grit42 Grit DataTableEntity

Technical summary

The vulnerability resides in the Grit::Assays::DataTableEntity class within modules/assays/backend/app/models/grit/assays/data_table_entity.rb. Insufficient input sanitization allows an attacker with valid credentials to inject arbitrary SQL commands through unvalidated parameters. The flaw maps to CWE-74 (Improper Neutralization of Special Elements in Output) and CWE-89 (SQL Injection), reflecting both the injection mechanism and its chained consequences. The attack vector is network-accessible and requires low complexity to execute once authentication is obtained.

Business impact

Organizations deploying Grit42's Grit framework face confidentiality, integrity, and availability risks. An authenticated insider or an attacker with compromised credentials can extract sensitive data, corrupt records, or disrupt data pipeline operations. In environments where Grit processes laboratory or assay data, this could compromise data reliability, trigger compliance violations, and damage trust in analytical outputs.

Affected systems

Grit42 Grit framework versions 0.11.0 and earlier are confirmed vulnerable. The specific affected component is the DataTableEntity model used for assay data management. Organizations should inventory all deployments of Grit and verify version numbers against 0.11.0. No vendor product advisory details were disclosed in the source data, so direct contact with Grit42 or review of their security page is recommended for comprehensive product scope.

Exploitability

Exploitation is rated medium difficulty due to the authentication requirement (PR:L); an attacker must possess valid credentials or obtain them through secondary compromise. However, public exploit code is available, lowering the barrier to weaponization. The attack does not require user interaction, can be executed over the network, and carries no special configuration demands, making it practical for a motivated threat actor once inside an authenticated session.

Remediation

Upgrade Grit42 Grit to a version newer than 0.11.0 that includes SQL injection mitigations. Verify the specific patched version against Grit42's official security advisories or release notes. If immediate patching is not feasible, implement input validation and parameterized queries at the application level, enforce strict SQL permission controls in the database, and monitor authentication logs for anomalous access patterns.

Patch guidance

Contact Grit42 or check their official repository and security advisories to confirm availability and version number of a patched release addressing CVE-2026-12206. The vendor has shown limited responsiveness; validate patch details against independent security sources before deployment. Test patches in a non-production environment to ensure compatibility with your data pipeline workflows.

Detection guidance

Monitor database query logs for unusual SQL patterns or failed queries originating from the DataTableEntity module. Alert on unexpected SQL keywords (UNION, DROP, INSERT, DELETE) in parameterized query contexts. Review application authentication logs for accounts accessing assay data tables outside normal schedules. Implement WAF rules to block common SQL injection payloads if Grit is exposed to untrusted networks. Regular vulnerability scanning of dependencies in your Grit deployments will flag the vulnerable version.

Why prioritize this

Although CVSS 6.3 (MEDIUM) reflects the authentication gate, the combination of public exploit availability, remote exploitability, and data integrity impact warrants prompt attention. The vendor's non-responsiveness increases risk; you cannot rely on vendor patches being imminent. Prioritize upgrades or compensating controls if Grit processes sensitive assay data or runs in environments with elevated insider risk.

Risk score, explained

CVSS 6.3 accounts for network accessibility (AV:N), low complexity (AC:L), and low privilege requirement (PR:L), balanced against the limited scope (S:U) and partial impact to confidentiality, integrity, and availability (C:L/I:L/A:L). The score does not discount the practical threat posed by publicly disclosed exploits; organizations with strict data protection obligations should treat this as higher priority than the base score alone suggests.

Frequently asked questions