CVE-2026-61425

CRITICALPre-NVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.4 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% 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: cna:joomla, epss
Trending — 4 sources updated this week
9.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.4Exploit: NoneExposed: 0

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

Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0 - The Joomla extension Gridbox is vulnerable an authenticated bypass, potentially leading to full admin access.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity94% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
16.8%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jul 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Build a Joomla Site — Joomla Website Builder Gridbox

https://www.balbooa.com/gridbox
generic🟡 PoC Available

Gridbox Critical Auth Bypass | mySites.guru

https://mysites.guru/blog/gridbox-critical-authentication-bypass/

Vendor Advisories for CVE-2026-61425(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 12× in last 7d / 12× 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. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:21 UTCEG score recompute
  4. 2026-07-22 23:30 UTCEG score recompute
  5. 2026-07-22 23:30 UTCGHSA enrichment
  6. 2026-07-22 14:08 UTCEPSS rescore
  7. 2026-07-22 14:08 UTCEPSS rescore
  8. 2026-07-21 15:25 UTCEPSS rescore
  9. 2026-07-21 15:25 UTCEPSS rescore
  10. 2026-07-20 20:42 UTCEG score recompute
  11. 2026-07-20 19:12 UTCEG score recompute
  12. 2026-07-20 19:12 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-61425?
CVE-2026-61425 is a critical vulnerability published on July 20, 2026. Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0 - The Joomla extension Gridbox is vulnerable an authenticated bypass, potentially leading to full admin access.
When was CVE-2026-61425 disclosed?
CVE-2026-61425 was first published in the National Vulnerability Database on July 20, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-61425 actively exploited?
CVE-2026-61425 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-61425?
CVE-2026-61425 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2026-61425?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-61425, 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-2026-61425

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