CVE-2026-39111

High

Published: 20 April 2026

Published

20 April 2026

Modified

20 April 2026

KEV Added

—

Patch

—

CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score 0.0010 26.8th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-39111 is a high-severity SQL Injection (CWE-89) vulnerability in Phpgurukul (inferred from references). Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 26.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2026-39111 is a SQL injection vulnerability (CWE-89) in the Apartment Visitors Management System version 1.1. The issue affects the email parameter in the forgot-password.php page, enabling manipulation of backend SQL queries. Published on 2026-04-20, it carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), highlighting high confidentiality impact with no integrity or availability disruption.

An unauthenticated attacker can exploit this vulnerability over the network with low attack complexity and no privileges or user interaction required. By injecting malicious payloads into the email parameter, the attacker can extract sensitive user data from the database.

Mitigation guidance and additional details are available in advisories referenced at https://github.com/efekaanakkar/Apartment-Visitors-Management-System-CVEs/, https://phpgurukul.com/?sdm_process_download=1&download_id=21524, and https://phpgurukul.com/apartment-visitors-management-system-using-php-and-mysql/.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-23920

Vulnerability details

SQL Injection vulnerability in Apartment Visitors Management System Apartment Visitors Management System V1.1 in the email parameter of the forgot password page (forgot-password.php). This allows an unauthenticated attacker to manipulate backend SQL queries and retrieve sensitive user data.

CWE(s): CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

The SQL injection vulnerability in the network-accessible web application (forgot-password.php) allows unauthenticated remote attackers to manipulate queries and extract database data, directly enabling the Exploit Public-Facing Application technique (T1190).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1