CVE-2026-10208: Hospital Management System SQLi Flaw

CVE-2026-10208 Overview

CVE-2026-10208 is a SQL injection vulnerability in code-projects Online Hospital Management System 1. The flaw resides in the login_user function within the login_1.php file. Attackers can manipulate the Username argument to inject arbitrary SQL into the underlying database query. The attack is executable remotely without authentication or user interaction. According to the public advisory, the exploit has been published and may be used against vulnerable installations. The issue 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 to execute arbitrary SQL queries, potentially exposing patient records, credentials, and other sensitive hospital data.

Affected Products

• code-projects Online Hospital Management System 1
• login_1.php component containing the login_user function
• Deployments exposing the application to untrusted networks

Discovery Timeline

• 2026-06-01 - CVE-2026-10208 published to NVD
• 2026-06-01 - Last updated in NVD database

Technical Details for CVE-2026-10208

Vulnerability Analysis

The vulnerability exists in the authentication routine of code-projects Online Hospital Management System. The login_user function in login_1.php accepts a Username parameter from HTTP request input and concatenates it directly into a SQL query string. Because the input is not sanitized, parameterized, or escaped, attackers can break out of the intended query context and append arbitrary SQL clauses. The attack vector is the network, complexity is low, and no authentication or user interaction is required to reach the vulnerable code path. Successful exploitation can disclose credentials stored in the user table, allow authentication bypass via tautology-based payloads, or enable extraction of arbitrary database contents using UNION-based injection. The EPSS data indicates a low near-term exploitation probability, but the public availability of an exploit raises operational risk for any internet-exposed installation.

Root Cause

The root cause is missing input neutralization before the Username value is incorporated into a SQL statement. The application does not use prepared statements or parameter binding via PDO or mysqli. As a result, special SQL metacharacters such as single quotes, comments, and statement separators alter query semantics rather than being treated as literal data.

Attack Vector

An unauthenticated remote attacker submits a crafted POST request to the login endpoint. The injected payload in the Username field is concatenated into the SQL query executed by login_user. Typical payloads use boolean tautologies such as ' OR '1'='1 to bypass authentication, or UNION SELECT clauses to enumerate database tables. The vulnerability is reachable through any standard HTTP client, requires no prior credentials, and is documented in a public GitHub proof-of-concept. See the GitHub SQL Injection Report and the VulDB CVE-2026-10208 entry for technical details.

Detection Methods for CVE-2026-10208

Indicators of Compromise

• HTTP POST requests to login_1.php containing SQL metacharacters such as ', --, /*, UNION, or OR 1=1 in the Username field
• Database error messages or HTTP 500 responses returned from the login endpoint after malformed inputs
• Authentication success events for accounts that did not submit valid credentials
• Outbound data transfers or response size anomalies from the web server immediately following requests to login_1.php

Detection Strategies

• Inspect web server access logs for POST requests to login_1.php containing URL-encoded SQL syntax in Username parameters
• Deploy web application firewall (WAF) signatures that match common SQL injection payloads against the login endpoint
• Enable database query auditing to flag malformed or syntactically anomalous queries originating from the application user
• Correlate failed-then-successful login sequences from the same source IP, which often indicate injection probing followed by authentication bypass

Monitoring Recommendations

• Forward web server, WAF, and database logs to a centralized analytics platform and alert on SQL injection signatures targeting login_1.php
• Track baseline request rates and payload lengths to the login endpoint and alert on deviations
• Monitor the application database account for unexpected INFORMATION_SCHEMA queries or large SELECT result sets

How to Mitigate CVE-2026-10208

Immediate Actions Required

• Restrict network access to the Online Hospital Management System until a fix is applied, placing it behind a VPN or IP allowlist
• Deploy WAF rules that block SQL injection patterns on requests to login_1.php
• Rotate any credentials stored in the application database, as they may have been exposed via the exploit
• Audit application logs for prior exploitation attempts referencing the Username parameter

Patch Information

No official vendor patch is currently referenced in the NVD entry. Administrators should monitor the code-projects project page for updates. Until a vendor fix is released, modify the login_user function in login_1.php to use parameterized queries via mysqli prepared statements or PDO bound parameters, and apply server-side input validation to the Username field.

Workarounds

• Replace string-concatenated SQL in login_user with prepared statements that bind the Username value as a parameter
• Apply strict input validation to reject characters outside an expected username character set
• Configure the database account used by the application with least-privilege permissions, removing rights to access tables outside the application schema
• Disable verbose database error messages in production to prevent information disclosure that aids injection tuning

# Example WAF rule pattern (ModSecurity-style) to block SQLi on the login endpoint
SecRule REQUEST_URI "@endsWith /login_1.php" \
  "chain,phase:2,deny,status:403,id:1026010208,msg:'CVE-2026-10208 SQLi attempt'"
  SecRule ARGS:Username "@rx (?i)(\b(union|select|or|and)\b.*\b(from|where|=)\b|--|/\*|')" "t:none,t:urlDecode"