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CVE-2026-12718 – Blind SQL Injection (Unauthenticated RCE-class Risk) – Karel Electronics KarelIPS (

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Summary

CVE-2026-12718 is a critical blind SQL injection vulnerability (CWE-89) affecting KarelIPS, a product from Karel Electronic Industry and Trade Inc. The flaw allows an unauthenticated, remote attacker to inject SQL commands via the affected component, and it carries a CVSS v3.1 base score of 9.8 (Critical). Karel has stated that KarelIPS is no longer a supported product, meaning no vendor patch is expected.

Technical details

  • Root cause: Improper neutralization of special elements used in an SQL command, allowing untrusted input to be incorporated into backend SQL queries.
  • Trigger conditions: An attacker sends crafted input to the application over the network; no authentication or user interaction is required.
  • Attack vector: Network (remote), low attack complexity.
  • Impact: Successful exploitation via blind SQL injection can allow an attacker to read, modify, or destroy data in the backend database, with the CVSS vector indicating high impact to confidentiality, integrity, and availability.

Affected software

  • Karel Electronic Industry and Trade Inc. KarelIPS — all versions through 22092026 (the version identifier used in the advisory, corresponding to a September 22, 2026 build/release).

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: No official patch is available — the vendor has confirmed that KarelIPS is no longer supported.
  • Workarounds/network mitigations:
    • Restrict network access to KarelIPS instances, exposing them only to trusted internal networks and not directly to the internet.
    • Deploy a web application firewall (WAF) or equivalent filtering to detect and block SQL injection attempts against the application.
    • Given the lack of vendor support, organizations should evaluate migrating to a currently supported and maintained alternative product.
    • Monitor logs for anomalous database query patterns or errors that may indicate injection attempts.

References

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