[Japanese]

JVNDB-2026-000057

Multiple vulnerabilities in CubeCart

Overview

CubeCart provided by CubeCart Limited contains multiple vulnerabilities listed below.
  • OS command injection (CWE-78) - CVE-2026-21719
  • SQL injection (CWE-89) - CVE-2026-34018
  • Path traversal (CWE-22) - CVE-2026-35496
Gen Sato of Mitsui Bussan Secure Directions, Inc. reported these vulnerabilities to the developer first, and to IPA later. 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
The above CVSS base scores have been assigned for CVE-2026-21719

CVSS v3 Severity
Base Metrics: 6.3(Medium) [IPA Score]
  • Access Vector : Network
  • Attack Complexity : Low
  • Privileges Required : None
  • User Interaction : Required
  • Scope : Unchanged
  • Confidentiality Impact : Low
  • Integrity Impact : Low
  • Availability Impact : Low
CVSS v4 Severity
Base Metrics: 5.1 (Medium) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): None
  • User Interaction (UI): Active
    • Vulnerable System Impact
  • Confidentiality Impact (VC): Low
  • Integrity Impact (VI): None
  • Availability Impact (VA): None
    • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-34018

CVSS v3 Severity
Base Metrics: 2.7(Low) [IPA Score]
  • Access Vector : Network
  • Attack Complexity : Low
  • Privileges Required : High
  • User Interaction : None
  • Scope : Unchanged
  • Confidentiality Impact : Low
  • Integrity Impact : None
  • Availability Impact : None
CVSS v4 Severity
Base Metrics: 5.1 (Medium) [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): Low
  • Integrity Impact (VI): None
  • Availability Impact (VA): None
    • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-35496
Affected Products


CubeCart Limited
  • CubeCart versions prior to 6.6.0

Impact

  • A user with an administrative privilege may execute an arbitrary OS command (CVE-2026-21719)
  • An attacker may execute an arbitrary SQL statement on the product (CVE-2026-34018)
  • A user with an administrative privilege may access higher-level directories that should not be accessible (CVE-2026-35496)
Solution

[Update the software]
Update the software to the latest version according to the information provided by the developer.
The developer addressed the vulnerabilities in the following version:
  • CubeCart 6.6.0
Vendor Information

CubeCart Limited
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
  2. OS Command Injection(CWE-78) [IPA Evaluation]
  3. SQL Injection(CWE-89) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2026-21719
  2. CVE-2026-34018
  3. CVE-2026-35496
References

  1. JVN : JVN#78422311
Revision History

  • [2026/04/17]
      Web page was published

Date Public2026/04/17
Date First Published2026/04/17
Date Last Updated2026/04/17