Skip to main content

CVE-2026-102116: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Kiteworks Email Protection Gateway

0
High
VulnerabilityCVE-2026-102116cvecve-2026-102116cwe-22cwe-91
Published: 09/30/2026 (09/30/2026, 20:19:20 UTC)
Source: CVE Database V5
Vendor/Project: Kiteworks
Product: Email Protection Gateway

Description

CVE-2026-102116 is a path traversal vulnerability in Kiteworks Email Protection Gateway that allows an authenticated administrator to write files outside intended directories. This flaw can lead to remote code execution by causing the application to execute malicious files written by the attacker. The vulnerability affects versions prior to 9.5.0. It has a high severity score of 7.2 and requires high privileges to exploit.

CVSS v3.1

Score 7.2high

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

Affected software

Kiteworks

Email Protection Gateway

Affected versions
>=0 <9.5.0
GitHub Actionsmore threats →ai
kiteworks/email-protection-gateway
pkg:github/kiteworks/email-protection-gateway
Affected versions
>=0 <9.5.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/30/2026, 21:04:44 UTC

Technical Analysis

This vulnerability (CWE-22) in Kiteworks Email Protection Gateway permits an authenticated administrator to perform path traversal, enabling writing files outside restricted directories. By exploiting this, an attacker can cause the application to execute arbitrary code with the privileges of the underlying service account. The issue affects all versions before 9.5.0. The CVSS v3.1 base score is 7.2, reflecting network attack vector, low attack complexity, high privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation can result in remote code execution with the privileges of the service account running the application, potentially compromising confidentiality, integrity, and availability of the system. The attacker must have authenticated administrator access to the Email Protection Gateway.

Mitigation Recommendations

No explicit patch or remediation details are provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator access and monitor for suspicious activity.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
cisa-cg
Date Reserved
2026-09-28T17:39:13.562Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6abd724d2a4e24523d8ebe03

Added to database: 09/30/2026, 20:34:21 UTC

Last enriched: 09/30/2026, 21:04:44 UTC

Last updated: 09/30/2026, 22:08:03 UTC

Views: 3

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses