CVE-2026-53564
Arbitrary file read and write
CVE-2026-53564 is a medium vulnerability (CVSS 5.1) in Citrix Uniconos, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 33rd percentile. No source names a fixed version.
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Arbitrary file read and write
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
- Record
CVE-2026-53564- CVSS 4.0
- 5.1 Medium
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 - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2026-100754
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
- Record
EUVD-2026-100754- CVSS 4.0
- 5.1 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m79h-7jrq-gcwj
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write This issue affects...
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
- Record
GHSA-m79h-7jrq-gcwj- CVSS 4.0
- 5.1 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
- Record
CVE-2026-53564- CVSS 4.0
- 5.1 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD |