Live › vulnerability › CVE-2026-113382
Go to dashboardThe Plugin Installer in arizu-id fast-tunnel 1.0.0 extracts an uploaded plugin archive through ZipArchive::extractTo without restricting what it writes, via the plugin_file argument in backend/api_plugins.php. A remote attacker can use this unrestricted upload to place files on the server, and a public exploit has been disclosed.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Deployments running fast-tunnel 1.0.0 that expose the Plugin Installer in backend/api_plugins.php are exposed. The sources do not say whether authentication is required to reach that endpoint, so the unknown remains. Teams not running fast-tunnel 1.0.0 can skip it.
No product ranges from the sources yet.
1.0.0 is affected.backend/api_plugins.php in the deployed tree and confirm whether the Plugin Installer endpoint is reachable.1.0.1, which the sources say resolves the issue (patch commit 04573681420295f7b327c9da3b101aed2f3cf432).Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
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