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CVE-2026-19425 – Unauthenticated SQL Injection – Win Men International Travel Agency Management Syst

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Summary

CVE-2026-19425 is a critical SQL injection (CWE-89) vulnerability in the Travel Agency Management System developed by Win Men International (Win Men Intermational). The flaw allows unauthenticated remote attackers to inject arbitrary SQL commands into the application’s database layer, enabling unauthorized reading, modification, and deletion of data. The vulnerability carries a CVSS v3.1 base score of 9.8 (Critical).

Technical details

  • Root cause: An unspecified function within the Travel Agency Management System fails to properly neutralize special characters in user-supplied input before it is used in SQL queries (improper neutralization of special elements used in an SQL command — CWE-89).
  • Trigger conditions: An attacker submits crafted input containing SQL syntax to a vulnerable endpoint/parameter of the application; no valid credentials or user interaction are required to trigger the flaw.
  • Attack vector: Network-based (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N) — the endpoint is reachable remotely over the network.
  • Impact: Successful exploitation results in high impact to confidentiality, integrity, and availability (C:H/I:H/A:H), allowing an attacker to read, alter, or destroy database contents, potentially leading to full compromise of stored data (e.g., customer, booking, and payment records typically managed by travel agency systems).
  • The vulnerability was reported by researcher mlgzackfly (Cymetrics) and disclosed via Taiwan’s TWCERT/CC (advisory ID AC2026000036, TVN-202607009) on August 11, 2026.

Affected software

  • Travel Agency Management System, developed by Win Men International — all versions prior to the August 2026 Security Update are affected.

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Upgrade the Travel Agency Management System to the August 2026 Security Update or later, which addresses this SQL injection flaw.
  • If a patch cannot be applied immediately:
    • Restrict network access to the application to trusted networks only (e.g., via firewall rules or VPN), minimizing internet exposure.
    • Deploy a web application firewall (WAF) with rules tuned to detect and block SQL injection payloads in front of the application.
    • Enforce parameterized queries/prepared statements and strict input validation/sanitization at the application layer as a defense-in-depth measure.
    • Apply least-privilege database account permissions to limit the blast radius of a successful injection.
    • Monitor database and application access logs for anomalous query patterns or unauthorized data access attempts.

References

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