PatchTheCVECVE-2026-21719: An OS command injection vulnerability exists in CubeCart prior to 6.6.0, which may allow a user with an admini
CVE-2026-21719 is a high-severity flaw (CVSS 7.2) affecting cubecart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An OS command injection vulnerability exists in CubeCart prior to 6.6.0, which may allow a user with an administrative privilege to execute an arbitrary OS command.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 32%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2026-04-17 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-21719?
cubecart: upgrade to 6.6.0. Exact commands for each OS are on this page.
Is CVE-2026-21719 being exploited?
CVE-2026-21719 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-21719 affect?
CVE-2026-21719 affects cubecart. Severity is high (CVSS 7.2). An OS command injection vulnerability exists in CubeCart prior to 6.6.0, which may allow a user with an administrative privilege to execute an arbitrary OS command.
How urgent is CVE-2026-21719?
Priority 42/100. High severity