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CVE-2026-5955 – Unauthenticated SQL Injection – BiEticaret before v3.3.57

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Summary

CVE-2026-5955 is a critical SQL injection vulnerability (CWE-89) in BiEticaret, a PHP-based e-commerce platform developed by Inrove Software and Internet Services. Affecting all versions prior to v3.3.57, the flaw carries a CVSS v3.1 score of 9.8 (Critical) and requires no authentication and no user interaction, making it exploitable by any remote attacker over the internet. The vulnerability was assigned advisory TR-26-0519 by TR-CERT, the Turkish Cybersecurity Authority, and was discovered by security researcher Ferit ÖZNER.

Technical details

  • Root cause: Improper neutralization of special elements in SQL commands (CWE-89) — user-supplied input is incorporated into database queries without adequate sanitization or parameterization.
  • Trigger conditions: The vulnerability can be triggered remotely over the network with no authenticated session and no required interaction on the target side.
  • Attack vector: Network-accessible; an unauthenticated attacker sends a crafted HTTP request containing malicious SQL syntax to the affected BiEticaret application.
  • Impact: Full confidentiality, integrity, and availability compromise of the underlying database — enabling unauthorized data exfiltration (including customer records and credentials), data modification or deletion, and potential further escalation depending on database server configuration.

Affected software

  • BiEticaret (Inrove Software and Internet Services) — all versions before v3.3.57

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 action: Upgrade BiEticaret to v3.3.57 or later, which contains the vendor-issued fix.
  • If immediate patching is not possible: Restrict public network access to the BiEticaret application at the firewall or WAF level, and monitor web server logs for anomalous SQL-related request patterns until the patch can be applied.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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