Unrestricted File Upload in Jazzware RT1000 Edge webUI (CVE-2026-88738)
Summary
Vulnerability in Jazzware RT1000 Edge webUI (CVE-2026-88738). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
Jazzware RT1000 Edge webUI v. 20.0.1 contains an unrestricted file upload vulnerability in the upgrade package upload functionality. An authenticated attacker can upload a server-side executable file. The uploaded file is stored in a web-accessible executable location and can be accessed directly over HTTP without authentication, resulting in remote code execution.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-88738 has been found in Jazzware RT1000 Edge webUI.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Jazzware RT1000 Edge webUI CVE-2026-88738" on the vendor's site.
CVE-2026-88738 (Jazzware RT1000 Edge webUI) — CWE-434 / CVSS v3 8.8
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-434) exists in Jazzware RT1000 Edge webUI.
Check the vendor advisory for the affected versions of Jazzware RT1000 Edge webUI.
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Jazzware RT1000 Edge webUI を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web lcybersec.notion.site
- web nvd.nist.gov
- web github.com