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CVE-2026-102126

Kiteworks Core Stored Cross-site Scripting (XSS)

CVSS 3.1 8.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-102126

Published

A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a single, narrowly scoped delegated permission to store crafted content that later executes arbitrary JavaScript in the authenticated session of a System Administrator who views the affected page. This could have permitted the lower-privileged administrator to escalate to full administrative control of the tenant, including the creation of a new administrative account.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-102126

Published

Core

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Kiteworks",
                    "product": "Core",
                    "defaultStatus": "unknown",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "9.5.1",
                            "versionType": "custom"
                        },
                        {
                            "version": "9.5.1",
                            "status": "unaffected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON