CVE-2026-53563CWE-78command-injection

CVE-2026-53563

published October 14, 2026

CVSS

6.9

EPSS

Percentile

11.3

In the wild

Unconfirmed

What it is

Vulnerability in Citrix UniconOS leading to Persistent Command Execution

This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.

The record

Technical detail

CVSS: 6.9 · NONE
CVSS v4.0: 6.9 · CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS: 0.00215 · 11.3th percentile
Weakness: CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published: 2026-10-14T03:17Z

References (1)

EPSS history

Timeline