Vulnerability · Published Oct 13, 2026 · Assigned by Citrix
CVE-2026-53564Arbitrary file read and write
Medium 5.1
In plain English
A medium-severity path traversal in UniconOS from Citrix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 65.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N