[Japanese]

JVNDB-2026-000107

freo2 vulnerable to unrestricted upload of file with dangerous type

Overview

freo2 provided by refirio is a content management system written in PHP. freo2 contains the following vulnerability.
  • Unrestricted upload of file with dangerous type (CWE-434) - CVE-2026-67243
Kazuki Ozawa of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.2 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS v4 Severity
Base Metrics: 8.6 (High) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): High
  • User Interaction (UI): None
  • Vulnerable System Impact
  • Confidentiality Impact (VC): High
  • Integrity Impact (VI): High
  • Availability Impact (VA): High
  • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
Affected Products


refirio
  • freo2 versions prior to Ver 2.0.0-alpha-14

Impact

A user with the highest-level administrative privileges for the product may upload executable files and execute arbitrary OS commands.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

refirio
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2026-67243
References

  1. JVN : JVN#52865575
Revision History

  • [2026/08/04]
      Web page was published