CVE-2026-56291

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-07-10), indicating real-world exploitation has been confirmed by US federal agencies. the CNA's CVSS baseline 10.0 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, cna:joomla, epss, ghsa
Trending — KEV-added this weekExploited in the wild
10.0
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 9%CVSS: 10.0Exploit: NoneExposed: 0

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

The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

CVSS v3
10.0
EG Score
10.0(high)
EPSS
94.5%
KEV
⚠ Exploited

Published

July 9, 2026

Last Modified

July 11, 2026

Advisory Details (2)

Auto-updated Jul 18, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Balbooa Forms RCE - CVE-2026-56291 | mySites.guru

https://mysites.guru/blog/balbooa-forms-unauthenticated-file-upload-flaw/
generic

Balbooa Joomla Forms Builder — Drag & Drop Form Builder

https://www.balbooa.com/joomla-forms

Vendor Advisories for CVE-2026-56291(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 63× in last 7d / 122× 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 122 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2026/CVE-2026-56291.yaml
    First seen Jan 1, 2026

    Balbooa Forms < 2.4.1 - Unauthenticated Arbitrary File Upload

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-56291?
CVE-2026-56291 is a critical vulnerability published on July 9, 2026. The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
When was CVE-2026-56291 disclosed?
CVE-2026-56291 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56291 actively exploited?
Yes. CISA added CVE-2026-56291 to the Known Exploited Vulnerabilities catalog on July 10, 2026, affecting Balbooa Forms. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-56291?
CVE-2026-56291 has a CVSS v4.0 base score of 10.0 (CNA self-assessment; NVD's own analysis pending).
Which products are affected by CVE-2026-56291?
CVE-2026-56291 affects Balbooa Forms. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-56291?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56291, 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-2026-56291

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