CVE-2026-9470 Overview
CVE-2026-9470 is a SQL injection vulnerability in the yashpokharna2555 StudentManagementSystem project at commit cb2f558ddf8d19396de0f92abf2d224d46a0a203. The flaw resides in the confirm_logged_in function within student_trans.php. Attackers can manipulate the FIRST_NAME, Last_Name, or EMAIL arguments to inject arbitrary SQL statements. The attack is exploitable remotely without authentication or user interaction. The exploit has been publicly disclosed and may be used by threat actors. Because the project uses a rolling-release model, no fixed version is currently identified, and the maintainer has not responded to the issue report.
Critical Impact
Unauthenticated remote attackers can inject SQL through user-controlled name and email parameters, exposing the backing database to unauthorized read or write operations.
Affected Products
- yashpokharna2555 StudentManagementSystem (rolling release)
- Affected commit: cb2f558ddf8d19396de0f92abf2d224d46a0a203
- Vulnerable component: student_trans.php — confirm_logged_in function
Discovery Timeline
- 2026-05-25 - CVE-2026-9470 published to NVD
- 2026-05-26 - Last updated in NVD database
Technical Details for CVE-2026-9470
Vulnerability Analysis
The vulnerability is a SQL injection flaw classified under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component). The confirm_logged_in function in student_trans.php concatenates user-supplied input into SQL queries without proper parameterization or sanitization. Attackers reach the vulnerable code path remotely over the network without credentials. Successful exploitation can disclose, modify, or destroy data stored in the application database. Because the project follows a rolling-release model, no patched version is enumerated, and the maintainer has not responded to the public issue report.
Root Cause
The root cause is unsafe handling of the FIRST_NAME, Last_Name, and EMAIL request parameters inside the confirm_logged_in function. The parameters are passed into SQL statements without prepared statements, bound parameters, or input validation. Any single-quote, comment marker, or SQL keyword supplied in those fields alters the structure of the underlying query.
Attack Vector
The attack vector is network-based and unauthenticated. An attacker submits crafted values for the FIRST_NAME, Last_Name, or EMAIL form fields handled by student_trans.php. The injected payload modifies the SQL query executed by the backend, allowing data extraction through UNION-based, boolean-based, or time-based techniques. No special privileges or user interaction are required. Public disclosure increases the likelihood of opportunistic scanning and exploitation.
No verified proof-of-concept code is available. For technical details, see the GitHub Issue Tracker and the VulDB Vulnerability #365451 entry.
Detection Methods for CVE-2026-9470
Indicators of Compromise
- Web server access logs containing SQL metacharacters (', --, /*, UNION, SELECT) in POST parameters FIRST_NAME, Last_Name, or EMAIL directed at student_trans.php.
- Database error messages or HTTP 500 responses correlated with requests targeting student_trans.php.
- Unexpected outbound database queries returning large result sets to the web tier.
Detection Strategies
- Deploy web application firewall (WAF) rules that inspect form parameters submitted to student_trans.php for SQL injection signatures.
- Enable database query logging and alert on UNION-based or stacked queries originating from the application user.
- Review authentication and transaction flows for anomalous query shapes invoked from confirm_logged_in.
Monitoring Recommendations
- Monitor for repeated failed login or transaction attempts from a single source IP with varying payloads.
- Correlate web server, application, and database logs in a central SIEM to detect injection chains end-to-end.
- Track outbound data volume from the database host to identify exfiltration patterns following suspicious requests.
How to Mitigate CVE-2026-9470
Immediate Actions Required
- Restrict public exposure of the StudentManagementSystem application until a fix is verified.
- Apply WAF signatures or rate limits in front of student_trans.php to block SQL injection payloads in the FIRST_NAME, Last_Name, and EMAIL parameters.
- Audit the database account used by the application and reduce its privileges to the minimum required.
Patch Information
No official patch is available. The project follows a rolling-release model, and the maintainer has not responded to the issue report. Track updates through the GitHub Project Repository and the GitHub Issue Tracker.
Workarounds
- Replace string concatenation in confirm_logged_in with PDO prepared statements or mysqli parameterized queries bound to typed inputs.
- Validate FIRST_NAME, Last_Name, and EMAIL against strict allow-lists (alphabetic characters, RFC 5322 email pattern) before they reach the database layer.
- If self-patching is not feasible, isolate the application on a non-production network segment with no sensitive data.
# Example PHP PDO mitigation pattern for confirm_logged_in
$stmt = $pdo->prepare('SELECT id FROM students WHERE first_name = :fn AND last_name = :ln AND email = :em');
$stmt->execute([':fn' => $_POST['FIRST_NAME'], ':ln' => $_POST['Last_Name'], ':em' => $_POST['EMAIL']]);
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
