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CVE-2026-89180 – Unauthenticated SQL Injection – EFence ≤ 1.2.65 (DB Ver 55)

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Summary

CVE-2026-89180 is a SQL Injection vulnerability (CWE-89) in EFence, a product developed by Thinking Software Technology. The flaw allows unauthenticated, remote attackers to inject arbitrary SQL commands and read the contents of the application’s backend database. The vulnerability carries a CVSS v4.0 base score of 8.7 (High) and requires no authentication or user interaction to exploit.

Technical details

  • Root cause: EFence fails to properly neutralize special elements (SQL syntax) in user-supplied input before it is incorporated into database queries, resulting in a classic SQL Injection weakness (CWE-89).
  • Trigger conditions: An attacker sends a crafted request containing malicious SQL payloads to a vulnerable, internet-exposed EFence endpoint.
  • Attack vector: Network-based (AV:N), low attack complexity, no privileges required (PR:N), no user interaction (UI:N) — the vulnerability can be exploited remotely and unauthenticated.
  • Impact: Successful exploitation allows attackers to read arbitrary contents of the application’s database, potentially exposing sensitive business data, credentials, or other confidential information. Per the published CVSS vectors, the impact is limited to confidentiality (no integrity or availability impact reported).

Affected software

  • EFence (Thinking Software Technology) versions 0 through 1.2.65, DB Ver 55 and earlier.

Severity

  • CVSS v4.0: 8.7 (High) — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  • CVSS v3.1: 7.5 (High) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Mitigation and recommended actions

  • Immediate: Upgrade EFence to version 1.2.67, DB Ver 57 or later, which resolves this vulnerability.
  • If immediate patching is not possible:
    • Restrict network access to the EFence application to trusted internal networks or VPN only, removing direct internet exposure.
    • Deploy a web application firewall (WAF) with SQL injection detection rules in front of the application as an interim compensating control.
    • Monitor database and application logs for anomalous query patterns or errors indicative of SQL injection attempts.

References

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