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    CVE-2026-28270

    Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration allows uploading of arbitrary files without proper validation. Malicious administrators could exploit this to upload unauthorized file types to the system. Version 9.2.0 contains a patch for the issue.

    Published:Feb 27, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 27, 2026
    EPSS Score:0.00016
    CVSS Score:4.9

    Affected Products

    Vendor
    Accellion
    Product
    Kiteworks
    Vendor
    Kiteworks
    Product
    Security-advisories

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-24782 (CVSS 7.6) — Kiteworks is a private data network (PDN). Prior to version 9.3.0,ultiple SQL Injection vulnerabilities in Kit…
    CVE-2026-24761 (CVSS 3.7) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) …
    CVE-2026-24756 (CVSS 4.3) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) …
    CVE-2026-24755 (CVSS 5.4) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) …
    CVE-2026-24754 (CVSS 5.4) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, a stored XSS vulnerability in Kiteworks Sec…
    CVE-2026-24753 (CVSS 6.5) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) …
    CVE-2026-24752 (CVSS 8.2) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, a reflected XSS vulnerability in Kiteworks …
    CVE-2026-24751 (CVSS 8.2) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, a reflected XSS vulnerability in Kiteworks …
    CVE-2026-23638 (CVSS 6.5) — Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) …
    CVE-2026-29092 (CVSS 4.9) — Kiteworks is a private data network (PDN). Prior to version 9.2.1, a vulnerability in Kiteworks Email Protecti…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High