CVE-2026-65889

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-29. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

Joomla Extension - balbooa.com - Unauthenticated recursive directory deletion < 2.20.2 - The generateNewApp method allows actors to recursively delete directories.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 29, 2026

Last Modified

August 12, 2026

Advisory Details (2)

Auto-updated Aug 1, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Build a Joomla Site — Joomla Website Builder Gridbox

https://www.balbooa.com/gridbox
generic🔴 Active Exploitation

Gridbox: 23 More Critical Vulnerabilities | mySites.guru

https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/

Vendor Advisories for CVE-2026-65889(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 19× in last 7d / 89× 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 194 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-65889?
CVE-2026-65889 is a high vulnerability published on July 29, 2026. Joomla Extension - balbooa.com - Unauthenticated recursive directory deletion < 2.20.2 - The generateNewApp method allows actors to recursively delete directories.
When was CVE-2026-65889 disclosed?
CVE-2026-65889 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-65889 actively exploited?
CVE-2026-65889 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 78.5% of all scored CVEs.
What is the CVSS score of CVE-2026-65889?
CVE-2026-65889 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-65889?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-65889, 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

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