{"id":"CVE-2025-53939","title":"Kiteworks is a private data network (PDN)","summary":"Kiteworks is a private data network (PDN). Prior to version 9.1.0, improper input validation when managing roles of a shared folder could lead to unexpectedly elevate another user's permissions on the share. This issue has been patched i…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-20"],"vendor":"accellion","product":"kiteworks","affected":["kiteworks < 9.1.0"],"patched":["kiteworks 9.1.0"],"published":"2025-11-29","updated":"2026-10-07","sourceUpdated":"2026-10-07T20:10:01.970","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-53939","references":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-hpf5-6376-2565","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00736,"epssPercentile":0.5297,"ingestedAt":"2026-10-07T20:46:46.739Z","slug":"CVE-2025-53939","body":"## Overview\n\nKiteworks is a private data network (PDN). Prior to version 9.1.0, improper input validation when managing roles of a shared folder could lead to unexpectedly elevate another user's permissions on the share. This issue has been patched in version 9.1.0.\n\n## Affected\n\n- `kiteworks < 9.1.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `kiteworks 9.1.0`","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}