--- title: "CVE-2026-88738: Jazzware RT1000 Edge webUI - Unrestricted File Upload" description: "Jazzware RT1000 Edge webUI 20.0.1 contains an unrestricted file upload vulnerability caused by lack of validation in upgrade package upload functionality, letting authenticated attackers upload executable files leading to remote code execution." url: https://panop.io/threat-heartbeat/CVE-2026-88738/ --- # CVE-2026-88738 Jazzware RT1000 Edge webUI - Unrestricted File Upload Jazzware RT1000 Edge webUI 20.0.1 contains an unrestricted file upload vulnerability caused by lack of validation in upgrade package upload functionality, letting authenticated attackers upload executable files leading to remote code execution. CVSS base score 8.8 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.61% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88738) ## Details Type Unrestricted File Upload Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Published 21 September 2026 Updated 15 October 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to the latest version with fixed upload validation. 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-2026-88738](https://nvd.nist.gov/vuln/detail/CVE-2026-88738) - [https://lcybersec.notion.site/CVE-2026-88738-Unrestricted-file-upload-vulnerability-resulting-in-remote-code-execution-in-Jazzwa-3e06e8f484b5809e9eb3ffa705995d22](https://lcybersec.notion.site/CVE-2026-88738-Unrestricted-file-upload-vulnerability-resulting-in-remote-code-execution-in-Jazzwa-3e06e8f484b5809e9eb3ffa705995d22) [← 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)