CVE-2026-39109
CVE-2026-39109 is a critical-severity vulnerability with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.4)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-23918
- Weakness: CWE-89
- Published:
- Last modified:
Description
SQL Injection vulnerability in Apartment Visitors Management System Apartment Visitors Management System V1.1 within the username parameter of the login page (index.php). This allows an unauthenticated attacker to manipulate backend SQL queries during authentication and retrieve sensitive database contents.
Frequently asked questions
- What is CVE-2026-39109?
- SQL Injection vulnerability in Apartment Visitors Management System Apartment Visitors Management System V1.1 within the username parameter of the login page (index.php). This allows an unauthenticated attacker to manipulate backend SQL queries during authentication and retrieve sensitive database contents.
- How severe is CVE-2026-39109?
- CVE-2026-39109 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2026-39109 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-39109?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-39109 have an EU (EUVD) identifier?
- Yes. CVE-2026-39109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23918.
- When was CVE-2026-39109 published?
- CVE-2026-39109 was published on 2026-04-20 and last updated on 2026-06-17.
References
- https://github.com/efekaanakkar/Apartment-Visitors-Management-System-CVEs/
- https://phpgurukul.com/?sdm_process_download=1&download_id=21524
- https://phpgurukul.com/apartment-visitors-management-system-using-php-and-mysql/
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