CVE-2025-53939

HIGH EPSS 46.2%
Published Nov 29, 20257mo ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Nov 29, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

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 in version 9.1.0.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
46.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 1

VendorProductVersionRange
accellionkiteworks* <9.1.0

References 1

  • github.com https://github.com/kiteworks/security-advisories/security/advisories/GHSA-hpf5-6376-2565
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/kiteworks/security-advisories/security/advisories/GHSA-hpf5-6376-2565
    PatchThird Party Advisory