Arbitrary file upload in Arizu-Id Fast-Tunnel
CVE-2026-113382
A security vulnerability has been detected in arizu-id fast-tunnel 1.0.0. Affected by this issue is the function ZipArchive::extractTo of the file backend/api_plugins.php of the component Plugin Installer. Such manipulation of the argument plugin_file leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.0.1 can resolve this issue. The name of the patch is 04573681420295f7b327c9da3b101aed2f3cf432. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Published .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Arizu-Id Fast-Tunnel — versions 1.0.0
Weakness classification (CWE)
References
- VDB-422655 | arizu-id fast-tunnel Plugin Installer api_plugins.php extractTo unrestricted upload (technical-description, vdb-entry)
- VDB-422655 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- CVE-2026-113382 | CVE Analysis and Report (third-party-advisory)
- Submit #990501 | arizu-id fast-tunnel v1.0.0 Unrestricted Upload of File with Dangerous Type — CWE-434 (third-party-advisory)
- github.com/arizu-id/fast-tunnel/commit/04573681420295f7b327c9da3b101aed2f3cf432 (patch)
- github.com/arizu-id/fast-tunnel/releases/tag/1.0.1 (patch)
- github.com/arizu-id/fast-tunnel/ (product)
Frequently asked questions
- What is CVE-2026-113382?
- CVE-2026-113382 is a medium-severity vulnerability in Arizu-Id Fast-Tunnel, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-10-20.
- How severe is CVE-2026-113382?
- Medium severity. CVSS v3 base score is 6.3 out of 10.