CVE-2026-11582: CodeAstro Attendance System SQL Injection Vulnerability

Technical summary

This vulnerability stems from insufficient input validation on the Username parameter processed by /attendance-php/index.php in CodeAstro Student Attendance Management System 1.0. The application fails to properly sanitize or parameterize user-supplied input before incorporating it into SQL queries, creating a classic SQL injection vector (CWE-89). The attack surface is particularly broad because the vulnerable endpoint does not require prior authentication (PR:N in the CVSS vector), meaning any network-based attacker can attempt exploitation. The flaw maps to both CWE-74 (Improper Neutralization of Special Elements) and CWE-89 (SQL Injection), reflecting the layered nature of the input-validation failure.

Business impact

Educational institutions relying on CodeAstro for attendance tracking face direct operational and compliance risks. Successful exploitation could expose personally identifiable information (PII) of students and staff, including attendance records, potentially triggering FERPA, GDPR, or other regulatory reporting obligations. The confidentiality and integrity impacts mean attackers could read sensitive data or modify attendance records to falsify student participation—creating legal liability for institutions and compromising academic integrity. For organizations already managing reputational or breach-notification costs, this vulnerability presents an urgent remediation need.

Affected systems

CodeAstro Student Attendance Management System version 1.0 is confirmed vulnerable. The vulnerability is specific to this version and the /attendance-php/index.php file. Organizations using this product should verify their deployment version and conduct a full asset inventory to identify all instances. The vendor product list in the original advisory was not populated with additional detail; SEC.co recommends checking the official CodeAstro security advisory or contacting the vendor to confirm whether earlier or later versions are affected.

Exploitability

This vulnerability is highly exploitable in real-world conditions. The attack vector is network-based with low complexity, requires no credentials or user interaction, and can be launched by any attacker with basic SQL injection knowledge. Public exploit code has been released, lowering the barrier to exploitation and increasing the likelihood of mass scanning and opportunistic attacks. The CVSS score of 7.3 (HIGH) reflects this ease of exploitation combined with moderate impact to confidentiality, integrity, and availability. Organizations should treat this as an active threat.

Remediation

Immediate patching is the primary remediation path. Contact CodeAstro directly or check their security advisory portal for a patched version of the Student Attendance Management System that addresses this SQL injection flaw. While awaiting patches, apply compensating controls: restrict network access to the attendance system using firewall rules or VPN requirements, disable the application if not actively in use, and implement web application firewall (WAF) rules to block SQL injection patterns in the Username parameter. Database credentials should be reviewed for excessive permissions and rotated post-incident.

Patch guidance

Check the official CodeAstro security advisory or vendor website for the recommended patched version. Apply updates in a test environment first to verify compatibility with existing attendance records and integrations. Given the remote-code execution potential of SQL injection, prioritize patching production systems within 24–48 hours of vendor guidance publication. If the vendor has not yet released a patch, escalate to CodeAstro support and document your timeline expectation. Consider temporary deactivation of the application during the remediation window if feasible.

Detection guidance

Monitor web server and application logs for suspicious patterns in the Username parameter—look for SQL metacharacters (single quotes, double dashes, semicolons, UNION keywords) and encoded variants. Network-based detection can identify SQL injection attempts in HTTP requests to /attendance-php/index.php. Endpoint detection tools should flag unusual database activity, such as unexpected SELECT or INSERT queries from the web application process. Database audit logs can reveal data exfiltration or modification attempts. Check for failed login attempts followed by successful database queries, which may indicate successful injection and post-exploitation reconnaissance.

Why prioritize this

This vulnerability merits immediate prioritization due to the combination of high exploitability (network-accessible, no auth required, public exploits available), direct impact on sensitive student data, and regulatory exposure. Educational institutions managing student information are attractive targets for both financial and reputational attacks. The HIGH CVSS score and active threat landscape justify rapid remediation.

Risk score, explained

The CVSS 3.1 score of 7.3 (HIGH) reflects the vulnerability's critical characteristics: a network-based attack vector (AV:N) with low complexity (AC:L) that requires no privileges (PR:N) or user interaction (UI:N). The impact assessment grants partial credit for confidentiality, integrity, and availability breaches—reflecting the typical scope of SQL injection, where attackers can read, modify, or delete database records. The score does not assume full system compromise, but in the context of a web-facing attendance system, even partial database access is operationally damaging and compliance-sensitive.

Frequently asked questions