OS Command Injection Vulnerability in CubeCart by CubeCart Inc.
CVE-2026-21719

8.6HIGH

Key Information:

Vendor

Cubecart Limited

Status
Cubecart
Vendor
CVE Published:
17 April 2026

What is CVE-2026-21719?

An OS command injection vulnerability exists in CubeCart, allowing users with administrative privileges to execute arbitrary OS commands. This could lead to significant security risks, compromising the integrity and security of the affected system. Users are encouraged to upgrade to the latest version, 6.6.0, to mitigate this vulnerability.

Affected Version(s)

CubeCart prior to 6.6.0

References

https://community.cubecart.com/t/cubecart-6-6-0-released-...
https://jvn.jp/en/jp/JVN78422311/

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.