CVE-2026-65889

CRITICALPre-NVD 9.29.2—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 75% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
9.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.2Exploit: 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
9.2
EG Score
9.2(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity92% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Advisory Details (2)

Auto-updated Jul 29, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Gridbox: 23 More Critical Vulnerabilities | mySites.guru

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

Build a Joomla Site — Joomla Website Builder Gridbox

https://www.balbooa.com/gridbox

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 20× in last 7d / 20× 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.

  1. 2026-07-31 21:51 UTCGHSA enrichment
  2. 2026-07-31 17:59 UTCGHSA enrichment
  3. 2026-07-31 14:08 UTCGHSA enrichment
  4. 2026-07-31 10:16 UTCGHSA enrichment
  5. 2026-07-31 06:24 UTCGHSA enrichment
  6. 2026-07-31 02:30 UTCGHSA enrichment
  7. 2026-07-30 22:36 UTCGHSA enrichment
  8. 2026-07-30 18:45 UTCEG score recompute
  9. 2026-07-30 18:45 UTCGHSA enrichment
  10. 2026-07-30 16:28 UTCEPSS rescore
  11. 2026-07-30 14:08 UTCGHSA enrichment
  12. 2026-07-30 11:18 UTCEG score recompute
  13. 2026-07-30 11:18 UTCGHSA enrichment
  14. 2026-07-30 07:25 UTCGHSA enrichment
  15. 2026-07-30 03:03 UTCGHSA enrichment
  16. 2026-07-29 23:11 UTCGHSA enrichment
  17. 2026-07-29 19:18 UTCGHSA enrichment
  18. 2026-07-29 14:19 UTCEG score recompute
  19. 2026-07-29 13:58 UTCEG score recompute
  20. 2026-07-29 13:57 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-65889?
CVE-2026-65889 is a critical 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 July 30, 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 75.2% of all scored CVEs.
What is the CVSS score of CVE-2026-65889?
CVE-2026-65889 has a CVSS v3 base score of 9.2 (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

Explore the affected products and dependency analysis for CVE-2026-65889

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