CVE-2026-11582 Overview
CVE-2026-11582 is a SQL injection vulnerability in CodeAstro Student Attendance Management System 1.0. The flaw resides in the /attendance-php/index.php file, where the Username parameter is processed without proper sanitization. An attacker can manipulate this parameter to inject arbitrary SQL statements into the underlying database query. The attack can be performed remotely over the network and requires no authentication or user interaction. According to the published advisory, a public exploit has been released, increasing the risk of opportunistic exploitation against exposed deployments. The vulnerability is classified under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component).
Critical Impact
Unauthenticated remote attackers can manipulate the Username parameter on the login endpoint to execute arbitrary SQL queries against the application database.
Affected Products
- CodeAstro Student Attendance Management System 1.0
- File: /attendance-php/index.php
- Parameter: Username
Discovery Timeline
- 2026-06-08 - CVE-2026-11582 published to NVD
- 2026-06-09 - Last updated in NVD database
Technical Details for CVE-2026-11582
Vulnerability Analysis
The vulnerability exists in the authentication handler implemented in /attendance-php/index.php. The application accepts the Username value from the HTTP request and concatenates it directly into a SQL query executed against the backend database. Because the input is not parameterized or escaped, attackers can break out of the intended string context and append additional SQL syntax. Successful exploitation enables data extraction, authentication bypass, and tampering with attendance records. Public disclosure occurred through the GitHub Issue Tracker and VulDB advisory listings.
Root Cause
The root cause is improper neutralization of user-supplied input within a SQL statement, mapped to [CWE-74]. The login routine builds a query string using direct concatenation of the Username field instead of using prepared statements with bound parameters. No server-side validation, type checking, or character filtering is applied before the value reaches the database driver.
Attack Vector
The attack vector is network-based and requires no privileges or user interaction. An attacker submits a crafted HTTP POST request to the login form at /attendance-php/index.php, embedding SQL metacharacters such as single quotes, boolean expressions, or UNION clauses inside the Username field. The malicious payload is interpreted by the database engine, allowing the attacker to enumerate tables, exfiltrate credentials, or bypass authentication entirely. Technical details and proof-of-concept artifacts are documented at the GitHub Issue Tracker and the VulDB Vulnerability Listing.
Detection Methods for CVE-2026-11582
Indicators of Compromise
- HTTP POST requests to /attendance-php/index.php containing SQL metacharacters (', --, ;, UNION, OR 1=1) inside the Username parameter.
- Unexpected database error messages returned in HTTP responses from the login endpoint.
- Anomalous query patterns in MySQL/MariaDB logs referencing the attendance schema from web application sessions.
Detection Strategies
- Deploy Web Application Firewall (WAF) signatures that flag SQL injection patterns targeting login form parameters.
- Enable database query logging and alert on queries containing tautologies, stacked statements, or UNION SELECT from the application service account.
- Correlate authentication failures with subsequent successful logins from the same source IP to identify potential authentication bypass attempts.
Monitoring Recommendations
- Monitor outbound traffic from the web server for unusual volumes that may indicate database content exfiltration.
- Track changes to user and attendance tables that occur outside of normal administrative workflows.
- Review access logs for repeated requests to /attendance-php/index.php from non-browser user agents or automated tooling.
How to Mitigate CVE-2026-11582
Immediate Actions Required
- Restrict network access to the Student Attendance Management System until a vendor patch is available.
- Place the application behind a WAF configured to block SQL injection payloads targeting the Username parameter.
- Audit database logs for evidence of prior exploitation and rotate any credentials stored within the application schema.
Patch Information
No official vendor patch has been published at the time of CVE assignment. Refer to the CodeAstro Security Resource and the VulDB CVE Reference for the latest remediation status. Organizations running CodeAstro Student Attendance Management System 1.0 should track vendor communications and apply updates as soon as they become available.
Workarounds
- Modify the application source to replace string-concatenated SQL with parameterized queries using PDO or mysqli prepared statements.
- Apply server-side input validation to reject non-alphanumeric characters in the Username field before database submission.
- Limit the database account used by the application to least-privilege permissions, removing rights to modify schema or access unrelated tables.
# Example: enabling ModSecurity OWASP CRS rules for SQLi protection
SecRuleEngine On
Include /etc/modsecurity/crs/crs-setup.conf
Include /etc/modsecurity/crs/rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

