{"id":"CVE-2026-53563","aliases":["EUVD-2026-100753","GHSA-jq59-m47r-c584"],"status":"published","title":"Persistent Command Execution","description":"Vulnerability in Citrix UniconOS leading to Persistent Command Execution\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","severity":{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0026,"percentile":0.17898,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-10-13T22:04:13Z","modified":"2026-10-14T21:33:31Z","products":[{"vendor":"citrix","product":"uniconos"}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697187"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53563"},{"url":"https://github.com/advisories/GHSA-jq59-m47r-c584"}],"sources":{"cve":[{"id":"CVE-2026-53563","title":"Persistent Command Execution","description":"Vulnerability in Citrix UniconOS leading to Persistent Command Execution\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T22:04:13.778Z","modified":"2026-10-14T18:26:05.074Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-100753","description":"Vulnerability in Citrix UniconOS leading to Persistent Command Execution\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T22:04:13Z","modified":"2026-10-14T18:26:05Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:27:13.272666Z"}],"ghsa":[{"id":"GHSA-jq59-m47r-c584","title":"Vulnerability in Citrix UniconOS leading to Persistent Command Execution\n\nThis issue affects...","description":"Vulnerability in Citrix UniconOS leading to Persistent Command Execution\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-14T00:31:48Z","modified":"2026-10-14T21:33:31Z","cvss":[{"version":"4.0","score":6.9,"vector":"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/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","level":"medium"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:13:29.286626Z"}],"nvd":[{"id":"CVE-2026-53563","description":"Vulnerability in Citrix UniconOS leading to Persistent Command Execution\n\nThis issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.","status":"published","published":"2026-10-13T23:17:32.883Z","modified":"2026-10-14T19:17:15.993Z","cvss":[{"version":"4.0","score":6.9,"vector":"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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}