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TI-2026-76809 Aliases CVE-2026-113382GHSA-8pxh-4pp9-w6j7

Unrestricted upload in arizu-id fast-tunnel Plugin Installer

Priority LOW 24CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

A flaw in arizu-id fast-tunnel 1.0.0 lies in the Plugin Installer component, where the ZipArchive::extractTo function in backend/api_plugins.php handles the plugin_file argument. The flaw is unrestricted upload of files with dangerous types (CWE-434), and it can be triggered remotely by an attacker with low privileges. The exploit has been disclosed publicly and may be used.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Fix Fixed fast-tunnel (arizu-id): 1.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
arizu-idfast-tunnel1.0.01.0.1Patch availableCNA
  • fast-tunnel Vendorarizu-id Affected 1.0.0 Fixed in 1.0.1 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:arizu-id:fast-tunnel:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:arizu-id:fast-tunnel:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

Upgrade arizu-id fast-tunnel to version 1.0.1, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA fast-tunnel (arizu-id) Fixed in 1.0.1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-113382
  2. 2026-10-20 Alias added: GHSA-8pxh-4pp9-w6j7
  3. 2026-10-20 CISA SSVC decision points changed
  4. 2026-11-06 Affected versions changed · Red Hat
  5. 2026-11-06 CVSS score added · Red Hat

References

Patch 2

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences