CVE-2026-102789

validatingZero is analyzing and reversing it now.

EUVD-2026-110644 ↗

no check availablenot proven exploitable
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.1
CWE-284 Improper Access Control
ETK-2026-2744Zero's internal tracking ID, independent of the CVE number., permanent identifier
1h 07mrunning
synthesiscurrent stage
timeline
0 = trigger signal
trigger signal (cve.org) +0mvalidating
0
+30min
+60min
+90min

description

Gridbox versions earlier than 2.20.4.2 lack an authorization check on a blog-post retrieval task in the EditorController. An attacker able to reach that task may obtain blog-post information without the intended edit-level permission check.

Still under analysis: more detail becomes available as the pipeline runs.

mitigation

Upgrade the balbooa.com Gridbox extension to version 2.20.4.2 or later. Restrict access to Joomla administration and editor endpoints until the update is applied.

check
building now
exploit
not yet
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
–
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
1h 07m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-27 09:23Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Run in progress: no artifact yet.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-10-27 09:23Z
    cve_org: trigger signal, started the run

this entry in the feed

GET /api/v1/feed/CVE-2026-102789

{
  "etk_id": "ETK-2026-2744",
  "cve_id": "CVE-2026-102789",
  "display_id": "CVE-2026-102789",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-110644",
  "status": "in_pipeline",
  "anchor_state": "anchored",
  "title": "Missing authorization in Gridbox EditorController",
  "summary": "Gridbox versions earlier than 2.20.4.2 lack an authorization check on a blog-post retrieval task in the EditorController. An attacker able to reach that task may obtain blog-post information without the intended edit-level permission check.",
  "mitigation": "Upgrade the balbooa.com Gridbox extension to version 2.20.4.2 or later. Restrict access to Joomla administration and editor endpoints until the update is applied.",
  "vendor": "balbooa.com",
  "product": "Gridbox extension for Joomla",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "1.0.0-2.20.4.1"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "com_gridbox",
      "purl": null
    }
  ],
  "cwes": [
    284
  ],
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": null,
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": null,
  "t0_at": "2026-10-27T09:23:55.679000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-27T09:23:55.679000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-27T09:23:55.679000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-102789"
    }
  }
}

published 2026-10-27 10:01Z
last change 2026-10-27 11:00Z

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