CVE-2026-39109

CRITICALNVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

Score 9.4 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-20. NVD baseline CVSS 9.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
73(Attend)
EG Risk 73/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity94% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

April 20, 2026

Last Modified

April 20, 2026

Advisory Details (2)

Auto-updated May 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Apartment Visitors Management System using PHP and MySQL project

https://phpgurukul.com/apartment-visitors-management-system-using-php-and-mysql/
generic🟡 PoC Available

GitHub - efekaanakkar/Apartment-Visitors-Management-System-CVEs: Multiple CVEs affecting Apartment Visitors Management System v1.1, including SQL Injection and Stored XSS vulnerabilities with detailed analysis and proof-of-concept. · GitHub

https://github.com/efekaanakkar/Apartment-Visitors-Management-System-CVEs/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 142 total refreshes for this CVE.

  1. 2026-07-27 14:13 UTCEPSS rescore
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-26 14:54 UTCEPSS rescore
  4. 2026-07-25 14:18 UTCEPSS rescore
  5. 2026-07-25 14:18 UTCEPSS rescore
  6. 2026-07-24 14:17 UTCEPSS rescore
  7. 2026-07-24 14:17 UTCEPSS rescore
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 14:18 UTCEPSS rescore
  10. 2026-07-23 03:10 UTCEG score recompute
  11. 2026-07-22 14:08 UTCEPSS rescore
  12. 2026-07-20 17:08 UTCEPSS rescore
  13. 2026-07-19 14:31 UTCEPSS rescore
  14. 2026-07-19 02:29 UTCEPSS rescore
  15. 2026-07-18 10:04 UTCEPSS rescore
  16. 2026-07-16 17:03 UTCEPSS rescore
  17. 2026-07-15 16:57 UTCEPSS rescore
  18. 2026-07-15 16:57 UTCEPSS rescore
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-13 22:30 UTCEPSS rescore
  21. 2026-07-13 06:13 UTCEPSS rescore
  22. 2026-07-13 06:13 UTCEPSS rescore
  23. 2026-07-12 05:46 UTCEPSS rescore
  24. 2026-07-11 08:27 UTCEPSS rescore
  25. 2026-07-09 19:10 UTCEPSS rescore
Show 75 more
  1. 2026-07-08 15:15 UTCEPSS rescore
  2. 2026-07-07 13:46 UTCEPSS rescore
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 06:31 UTCEPSS rescore
  9. 2026-07-01 15:06 UTCEPSS rescore
  10. 2026-06-30 23:22 UTCEPSS rescore
  11. 2026-06-29 14:06 UTCEPSS rescore
  12. 2026-06-28 14:07 UTCEPSS rescore
  13. 2026-06-28 04:56 UTCEPSS rescore
  14. 2026-06-27 03:08 UTCEPSS rescore
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-24 14:05 UTCEPSS rescore
  18. 2026-06-23 21:33 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-21 14:56 UTCEPSS rescore
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-19 19:25 UTCEPSS rescore
  25. 2026-06-19 19:25 UTCEPSS rescore
  26. 2026-06-18 17:52 UTCEPSS rescore
  27. 2026-06-18 17:52 UTCEPSS rescore
  28. 2026-06-17 17:53 UTCEPSS rescore
  29. 2026-06-16 17:52 UTCEPSS rescore
  30. 2026-06-15 17:49 UTCEPSS rescore
  31. 2026-06-15 03:36 UTCGHSA enrichment
  32. 2026-06-14 23:18 UTCEPSS rescore
  33. 2026-06-14 23:13 UTCGHSA enrichment
  34. 2026-06-14 18:51 UTCGHSA enrichment
  35. 2026-06-13 23:00 UTCEPSS rescore
  36. 2026-06-12 23:12 UTCEPSS rescore
  37. 2026-06-12 23:12 UTCEPSS rescore
  38. 2026-06-12 07:42 UTCGHSA enrichment
  39. 2026-06-12 03:18 UTCGHSA enrichment
  40. 2026-06-11 22:56 UTCGHSA enrichment
  41. 2026-06-11 18:33 UTCGHSA enrichment
  42. 2026-06-11 14:00 UTCEPSS rescore
  43. 2026-06-10 22:20 UTCGHSA enrichment
  44. 2026-06-10 22:18 UTCEPSS rescore
  45. 2026-06-10 17:55 UTCGHSA enrichment
  46. 2026-06-10 13:32 UTCGHSA enrichment
  47. 2026-06-10 13:22 UTCEPSS rescore
  48. 2026-06-10 09:10 UTCGHSA enrichment
  49. 2026-06-10 04:49 UTCGHSA enrichment
  50. 2026-06-10 00:12 UTCGHSA enrichment
  51. 2026-06-09 18:35 UTCGHSA enrichment
  52. 2026-06-09 14:13 UTCGHSA enrichment
  53. 2026-06-09 09:52 UTCGHSA enrichment
  54. 2026-06-09 04:44 UTCGHSA enrichment
  55. 2026-06-08 14:17 UTCEPSS rescore
  56. 2026-06-08 14:17 UTCEPSS rescore
  57. 2026-06-08 11:22 UTCGHSA enrichment
  58. 2026-06-08 07:00 UTCGHSA enrichment
  59. 2026-06-08 02:38 UTCGHSA enrichment
  60. 2026-06-07 22:16 UTCGHSA enrichment
  61. 2026-06-07 17:55 UTCGHSA enrichment
  62. 2026-06-07 15:25 UTCEPSS rescore
  63. 2026-06-07 15:25 UTCEPSS rescore
  64. 2026-06-07 15:25 UTCEPSS rescore
  65. 2026-06-07 13:33 UTCGHSA enrichment
  66. 2026-06-07 09:07 UTCGHSA enrichment
  67. 2026-06-07 04:45 UTCGHSA enrichment
  68. 2026-06-06 13:47 UTCEPSS rescore
  69. 2026-06-06 13:47 UTCEPSS rescore
  70. 2026-06-06 13:19 UTCGHSA enrichment
  71. 2026-06-06 06:09 UTCGHSA enrichment
  72. 2026-06-05 22:47 UTCEPSS rescore
  73. 2026-06-05 22:47 UTCEPSS rescore
  74. 2026-06-05 21:57 UTCGHSA enrichment
  75. 2026-06-05 11:54 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-39109?
CVE-2026-39109 is a critical vulnerability published on April 20, 2026. 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…
When was CVE-2026-39109 disclosed?
CVE-2026-39109 was first published in the National Vulnerability Database on April 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-39109 actively exploited?
CVE-2026-39109 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 75.1% of all scored CVEs.
What is the CVSS score of CVE-2026-39109?
CVE-2026-39109 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2026-39109?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-39109, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-39109

Explore →

Is Your Infrastructure Affected by CVE-2026-39109?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs