--- title: "CVE-2026-105606: Joomla Extension joomlaboat.com - Unrestricted File Upload" description: "Joomla Extension joomlaboat.com < 3.7.8 contains an unrestricted file upload vulnerability caused by unauthenticated upload of polyglot files to the web-accessible tmp directory, letting unauthenticated attackers write arbitrary files, exploit requires public Custom Tables submission form exposure." url: https://panop.io/threat-heartbeat/CVE-2026-105606/ --- # CVE-2026-105606 Joomla Extension joomlaboat.com - Unrestricted File Upload Joomla Extension joomlaboat.com < 3.7.8 contains an unrestricted file upload vulnerability caused by unauthenticated upload of polyglot files to the web-accessible tmp directory, letting unauthenticated attackers write arbitrary files, exploit requires public Custom Tables submission form exposure. CVSS base score 9.5 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105606) ## Details Type Unrestricted File Upload Impact File System Write CVSS vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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:X/R:X/V:X/RE:X/U:X Published 2 November 2026 Updated 3 November 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to version 3.7.8 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-105606](https://nvd.nist.gov/vuln/detail/CVE-2026-105606) - [https://joomlaboat.com](https://joomlaboat.com/) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)