# CVE-2026-102089: Kiteworks Email Protection Gateway path traversal in administrative import

Source: https://junglewise.ai/threats/cve-2026-102089-kiteworks-email-protection-gateway-before-version-9-5-0-is  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-09-30  
License: CC BY 4.0 with a link back

CVE-2026-102089 · Severity: high · CVSS 7.2 · Published 2026-09-30

Kiteworks Email Protection Gateway, an email security appliance used to protect corporate email communications, contains a path traversal flaw in its administrative import function. An authenticated administrator could exploit this to write files to arbitrary locations on the server, potentially leading to unauthorized code execution and full system compromise.

Technologies: [Kiteworks Email Protection Gateway](https://junglewise.ai/threats/technologies/email-protection-gateway). Vendors: [Kiteworks](https://junglewise.ai/threats/vendors/kiteworks).

## Quick answers

**Is CVE-2026-102089 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102089 being exploited in the wild.

**How severe is CVE-2026-102089?** High severity, with a CVSS score of 7.2, published 30 September 2026.

**Which products and versions are affected?** Kiteworks Email Protection Gateway before 9.5.0.

**Is there a fix for CVE-2026-102089?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-102089 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-102089?** Check whether you run Kiteworks Email Protection Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A path traversal vulnerability (CWE-22) in the administrative import function allows an authenticated administrator with high privileges to bypass pathname restrictions and write files to arbitrary server locations. The attack requires network access and authenticated admin credentials with no user interaction. Successful exploitation could lead to arbitrary code execution with the privileges of the affected application process.

## Affected products

- Kiteworks Email Protection Gateway before 9.5.0

## Timeline

- 2026-09-30: disclosed

## References

- [https://github.com/kiteworks/security-advisories/security/advisories/GHSA-p853-p65q-2vc8](https://github.com/kiteworks/security-advisories/security/advisories/GHSA-p853-p65q-2vc8)
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json)

## Related threats

- [Kiteworks Email Protection Gateway improper access control on certificate assignment](https://junglewise.ai/threats/cve-2026-102149-kiteworks-email-protection-gateway-did-not-sufficiently-restrict)
- [Kiteworks Email Protection Gateway arbitrary file write via template injection](https://junglewise.ai/threats/cve-2026-102146-an-authenticated-email-protection-gateway-administrator-holding)
- [Kiteworks Email Protection Gateway resource exhaustion](https://junglewise.ai/threats/cve-2026-102144-a-resource-exhaustion-vulnerability-in-kiteworks-email)
- [Kiteworks Email Protection Gateway unauthenticated file upload](https://junglewise.ai/threats/cve-2026-102143-an-unauthenticated-attacker-could-cause-a-file-with-attacker)
- [Kiteworks Email Protection Gateway authorization bypass in large file exchange](https://junglewise.ai/threats/cve-2026-102139-an-authorization-check-in-the-large-file-exchange-feature-of)