CVE-2026-65885
Last modified
CVE-2026-65885 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows authenticated attackers to upload arbitrary files. Turns into an authenticated RCE if combined with CVE-2026-65884 as the required account can be created by the attacker.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows authenticated attackers to upload arbitrary files. Turns into an authenticated RCE if combined with CVE-2026-65884 as the required account can be created by the attacker.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Balbooa | Gridbox | < 2.20.2 |
References
- https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
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- CVE-2026-65882Joomla Extension - joomdle.com - Reflected XSS vulnerability…6.1
- CVE-2026-65883Joomla Extension - aimy-extensions.com - RCE via PHP object …9.8
- CVE-2026-65884Joomla Extension - balbooa.com - Privilege Escalation in Gri…9.8
- CVE-2026-65886Joomla Extension - balbooa.com - Unauthenticated arbitrary f…7.5
- CVE-2026-65887Joomla Extension - balbooa.com - Unauthenticated arbitrary p…9.8
- CVE-2026-65888Joomla Extension - balbooa.com - Account takeover vulnerabil…9.8
- CVE-2026-65889Joomla Extension - balbooa.com - Unauthenticated recursive d…7.5
- CVE-2026-6589A security vulnerability has been detected in ComfyUI up to …4.3
- CVE-2026-65890Joomla Extension - balbooa.com - Unauthenticated SQL injecti…9.8
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Scan your code nowSource: NVD / NIST