What is CVE-2026-63725?

CVE-2026-63725 is a high-severity vulnerability in Nuxsmin Syspass, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-08-06.

How severe is CVE-2026-63725?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Nuxsmin Syspass

CVE-2026-63725

sysPass's FileBackupService::doBackupFiles() in lib/SP/Services/Backup/FileBackupService.php around line 388 builds a tar shell command by string-concatenating the backup directory path $this->path directly into the command line ('tar czf…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nuxsmin Syspass — versions 3.0.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (product)

Frequently asked questions

What is CVE-2026-63725?: CVE-2026-63725 is a high-severity vulnerability in Nuxsmin Syspass, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-08-06.
How severe is CVE-2026-63725?: High severity. CVSS v3 base score is 7.2 out of 10.