arizu-id fast-tunnel 1.0.0 Plugin Installer backend/api_plugins.php ZipArchive::extractTo plugin_file unrestricted upload

Summaryinfo

A vulnerability identified as critical has been detected in arizu-id fast-tunnel 1.0.0. This affects the function ZipArchive::extractTo of the file backend/api_plugins.php of the component Plugin Installer. Performing a manipulation of the argument plugin_file results in unrestricted upload. This vulnerability is known as CVE-2026-113382. Remote exploitation of the attack is possible. Furthermore, an exploit is available. You should 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.

Detailsinfo

A vulnerability was found in arizu-id fast-tunnel 1.0.0. It has been classified as critical. This affects the function ZipArchive::extractTo of the file backend/api_plugins.php of the component Plugin Installer. The manipulation of the argument plugin_file with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-113382. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. By approaching the search of inurl:backend/api_plugins.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 04573681420295f7b327c9da3b101aed2f3cf432 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• arizu-id

Name

• fast-tunnel

Version

• 1.0.0

License

• open-source

Website

• Product: https://github.com/arizu-id/fast-tunnel/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #990501: arizu-id fast-tunnel v1.0.0 Unrestricted Upload of File with Dangerous Type — CWE-434 (by c0rrup1_1)

Be aware that VulDB is the high quality source for vulnerability data.

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