CVE-2026-52673: SQL Injection in Cboard getDimensionsValues Component

Technical summary

This SQL injection vulnerability (CWE-89) exists in Cboard's getDimensionsValues component and can be exploited by authenticated users to craft malicious SQL queries. The attack vector is network-based with low complexity, meaning straightforward SQL injection techniques are likely sufficient. The vulnerability grants attackers read access to database contents but does not enable code execution or data modification—the CVSS 3.1 score of 6.5 (Confidentiality High, Integrity None, Availability None) reflects the confidentiality breach risk in an authenticated context.

Business impact

Data exposure from Cboard instances could include user information, application settings, or any data stored within the affected database depending on deployment scope. For organizations using Cboard as a communication or augmentative alternative communication (AAC) platform, exposed data might include patient or user interaction logs, creating privacy and regulatory compliance concerns. The requirement for authentication limits blast radius to insider threats and compromised account scenarios.

Affected systems

Cboard version 0.4.2 and all earlier releases are affected. The vendor information is not provided in current advisories; organizations should verify exact affected versions against their deployments and the official Cboard project channels.

Exploitability

Exploitation requires valid authentication credentials but no special privileges, and involves standard SQL injection payload injection into the getDimensionsValues parameter. No known public exploit code or active weaponization is documented at this time (the vulnerability is not listed on CISA's Known Exploited Vulnerabilities catalog). Practical exploitability depends on attacker access to valid user accounts and knowledge of Cboard's data schema.

Remediation

Upgrade Cboard to a patched version released after July 5, 2026. Organizations should verify patch availability from the official Cboard repository or maintainers. As an interim control, restrict network access to Cboard instances, enforce strong authentication, and implement database activity monitoring or query logging to detect anomalous SQL patterns.

Patch guidance

Check the official Cboard GitHub repository or release notes for versions newer than 0.4.2 that address CVE-2026-52673. Apply patches during a maintenance window after testing in a non-production environment. Document the patching timeline in your vulnerability management system to track remediation progress.

Detection guidance

Monitor database query logs for unusual SQL syntax in requests targeting the getDimensionsValues component. Look for authentication attempts from unexpected sources and review access logs for users querying dimensions data unusually frequently or outside normal hours. Web application firewalls can be configured with rules to detect common SQL injection patterns in input parameters.

Why prioritize this

This vulnerability merits medium priority in most environments because it requires authentication to exploit, limiting the attack surface. However, organizations with weak password policies, shared accounts, or where Cboard instances are exposed to untrusted users internally should elevate priority. Any deployment handling sensitive personal or health data should patch promptly due to confidentiality impact.

Risk score, explained

The CVSS 3.1 base score of 6.5 reflects a medium-severity vulnerability with high confidentiality impact but no integrity or availability risk. The authentication requirement (PR:L) significantly reduces the score compared to an unauthenticated variant, and the narrow scope (S:U) further constrains risk. Real-world severity varies based on database contents, user access controls, and whether accounts are well-secured.

Frequently asked questions