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CVE-2026-102147

Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)

No known exploitation. EPSS puts it in the 37th percentile. Fixed in 9.5.1.

CVSS 3.19.3CriticalEPSS percentile37th0.5% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix9.5.1Upgrade to this build

Published Updated Sources: CVE.org, NVD, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Kiteworks CoreAffected: < 9.5.1Upgrade to: 9.5.1Stated by: CVE record
  • Accellion KiteworksAffected: < 9.5.1Upgrade to: 9.5.1Stated by: NVD

Versions as the sources state them. Full version matrix after sign-in

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What it is

From the CVE record

A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an unauthenticated attacker to store crafted content that later executes arbitrary JavaScript in the authenticated session of an administrator who views the affected page. This could have permitted the attacker to gain full administrative control, including the creation of a new administrative account.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS37th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.5% chance of exploitation activity in the next 30 days, which ranks it in the 37th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

9 events over 7 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Patch availablerecord updated, record updated
  3. Publishedweakness classified, att&ck mapped, record updated

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Scored 9.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 59 more references. See all after sign-in

In the news

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