FeMiner WMS /src/chkuser.php SQL Injection Vulnerability (CVE-2026-1059) Security Advisory
Executive & SecOps Summary
SECOPS ASSESSMENTFeMiner wms up to commit 9cad1f1b179a98b9547fd003c23b07c7594775fa
Unauthenticated remote attackers can manipulate the Username parameter to execute arbitrary SQL commands and compromise the database
Implement parameterized queries in the source code and deploy Web Application Firewall (WAF) rules to block malicious payloads
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Since the vendor has not responded or released an official patch, manual source code remediation is required. Modify the PHP code in /src/chkuser.php to use PDO parameterized queries as shown below:
// Vulnerable Code Example
// $query = "SELECT * FROM users WHERE username = '" . $_POST['Username'] . "'";
// Secure Remediation using PDO Prepared Statements
$stmt = $pdo->prepare('SELECT id, username, password FROM users WHERE username = :username');
$stmt->execute(['username' => $_POST['Username']]);
$user = $stmt->fetch();2. Temporary Workaround & Hardening Configuration
If immediate code modification is not feasible, deploy a Web Application Firewall (WAF) rule or configure Nginx to block suspicious input patterns targeting /src/chkuser.php:
# Add to your Nginx server configuration block
location /src/chkuser.php {
if ($request_method = POST) {
set $block_sql 0;
if ($args ~* "(select|union|insert|update|delete|'|\"|--|#)") {
set $block_sql 1;
}
if ($block_sql = 1) {
return 403;
}
}
proxy_pass http://backend_server;
}3. Log Audit & IoC Verification Commands
Use the following Bash script to scan your web server access logs for potential exploitation attempts targeting the /src/chkuser.php endpoint:
#!/bin/bash
LOG_FILE='/var/log/nginx/access.log'
echo '[+] Scanning logs for CVE-2026-1059 exploitation attempts...'
# Search for SQL injection patterns in requests to chkuser.php
grep -Ei 'chkuser\.php.*(union|select|concat|char|%27|%22|--|%23)' "$LOG_FILE" || echo '[-] No suspicious activities detected.'Block Exploits Instantly with Managed Virtual Patching Rules
Can't patch production immediately? Deploy managed WAF rules at the edge to intercept RCE, SQLi, and deserialization payloads before they hit your origin server.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
A critical SQL injection vulnerability (CVE-2026-1059) has been identified in FeMiner wms within the /src/chkuser.php file. The root cause of this vulnerability is the lack of proper input sanitization and parameterization of the Username argument before it is concatenated into SQL queries. This allows remote attackers to inject arbitrary SQL commands directly into the database engine.
2. Exploitation Mechanics & Attack Scenario
An unauthenticated remote attacker can send crafted HTTP requests targeting /src/chkuser.php. By injecting malicious SQL syntax (such as ' OR '1'='1 or UNION SELECT statements) into the Username parameter, the attacker bypasses authentication checks or extracts sensitive data from the database. Depending on database privileges, this could potentially lead to remote code execution (RCE) via database functions.
3. Infrastructure & Business Impact
With a CVSS score of 9.8 (Critical), this vulnerability poses a severe threat to organization security. Successful exploitation can lead to complete loss of confidentiality, integrity, and availability of the underlying database. Attackers can exfiltrate sensitive user credentials, modify critical business data, or leverage the database server to pivot into the internal network.
Official Vendor Advisories & References
A security vulnerability has been detected in FeMiner wms up to 9cad1f1b179a98b9547fd003c23b07c7594775fa. Affected by this vulnerability is an unknown functionality of the file /src/chkuser.php. The manipulation of the argument Username leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently Asked SecOps Questions (CVE-2026-1059)
FAQQ1. How critical is CVE-2026-1059 and is it actively exploited in the wild?
CVE-2026-1059 is rated CVSS 9.8 (CRITICAL) with a 30-day EPSS exploitation probability of 0.4%. Organizations running affected versions should prioritize patching based on network exposure.
Q2. Which vendors and products are affected by CVE-2026-1059?
Primary impacted vendors include feminer across wms. Scope summary: FeMiner wms up to commit 9cad1f1b179a98b9547fd003c23b07c7594775fa (Rolling release model)
Q3. What temporary mitigations or workarounds exist for CVE-2026-1059 before patching?
[Mitigation] Implement parameterized queries in the source code and deploy Web Application Firewall (WAF) rules to block malicious payloads Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2026-1059
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