CVE-2026-55740 Nur-Alam39 CVE debrief

Who should care

Administrators and users of the Nur-Alam39 bus ticket system, as well as security teams responsible for monitoring and patching vulnerabilities, should be aware of this critical vulnerability.

Technical summary

The CVE-2026-55740 vulnerability is caused by a lack of input validation and sanitization in the bus_info.php file. Specifically, the $busid parameter received via HTTP POST is concatenated directly into a MySQL query without proper escaping or parameterization. This allows an attacker to inject arbitrary SQL, potentially leading to data breaches and system compromise. The vulnerability has a CVSS score of 9.3, indicating a critical severity.

Defensive priority

High

Recommended defensive actions

• Apply patches or updates to the Nur-Alam39 bus ticket system as soon as possible.
• Use prepared statements with parameterized queries to prevent SQL injection.
• Sanitize and validate all user input to prevent injection attacks.
• Use a secure database connection with a non-root user account and strong password.
• Monitor the system for suspicious activity and implement additional security measures as needed.
• Consider using a web application firewall (WAF) to detect and prevent SQL injection attacks.

Evidence notes

The vulnerability was reported in the Nur-Alam39 bus ticket system, which has no released versions. The latest commit to the system was made on an unspecified date. The vulnerability was discovered in the bus_info.php file, specifically in the handling of the $busid parameter. The CVE-2026-55740 record and NVD detail provide additional information on the vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.