CVE-2025-53939HIGH 8.8EPSS p44.9%

CVE-2025-53939CVE-2025-53939

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.62% probability of exploitation · percentile 44.9% · 2026-06-18T12:00:27Z
Published2025-11-29
Last modified2025-12-04

Underlying weaknesses· 1

CWE-20

References

  1. https://github.com/kiteworks/security-advisories/security/advisories/GHSA-hpf5-6376-2565

1

TypeTargetConfidenceTier
WeaknessImproper Input Validationcwe-200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.