CVE-2026-53562 Local Privilege Escalation
Local attackers can escalate privileges in Citrix UniconOS via improper link resolution during file access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-53562?
CVE-2026-53562 is a high-severity path traversal vulnerability in Citrix UniconOS, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.
This issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.
Weakness: CWE-59
Which versions are affected by CVE-2026-53562?
How do I fix CVE-2026-53562?
No fix has been published for CVE-2026-53562 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-53562 being exploited?
There is no known exploitation of CVE-2026-53562 in the wild and no public exploit code.
Sources
Also known as GHSA-8fmw-g43f-wf2q.