{"id":"CVE-2026-53564","title":"Vulnerability in Citrix UniconOS leading to Arbitrary file read and write\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","summary":"Vulnerability in Citrix UniconOS leading to Arbitrary file read and write\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","severity":"medium","cwe":["CWE-22"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:17:17.093","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53564","references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697187","label":"secure@citrix.com"}],"tags":["nvd","cve.org"],"epss":0.00397,"epssPercentile":0.33741,"ingestedAt":"2026-10-14T00:07:19.219Z","vendor":"Citrix","product":"UniconOS","affected":["UniconOS < 2607.2 CR","UniconOS < 2603 LTSR CU2"],"cvss":5.1,"cvssVector":"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","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T18:09:53.280111Z"},"cvssSource":"cna","slug":"CVE-2026-53564","body":"## Overview\n\nVulnerability in Citrix UniconOS leading to Arbitrary file read and write\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":28.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":221804,"id":"CVE-2026-53564","ts":1792035821949,"field":"cvss","old":null,"new":"5.1"},{"seq":221803,"id":"CVE-2026-53564","ts":1792035821949,"field":"severity","old":"none","new":"medium"}]}