CVE-2026-48614 — CRITICAL (9.9)

Vulnerability Description

An improper authorization vulnerability in the Plesk XML API allows an authenticated user to inject arbitrary configuration directives, resulting in arbitrary file write as root and full privilege escalation on the underlying server.

CVSS Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-94

References

https://support.plesk.com/hc/en-us/articles/41171817973143-Vulnerability-in-Ples

FAQ

What is CVE-2026-48614?

CVE-2026-48614 is a vulnerability with a CVSS score of 9.9 (CRITICAL). An improper authorization vulnerability in the Plesk XML API allows an authenticated user to inject arbitrary configuration directives, resulting in arbitrary file write as root and full privilege esc...

How severe is CVE-2026-48614?

CVE-2026-48614 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-48614?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.