# CVE-2026-102116: Kiteworks Email Protection Gateway path traversal RCE

Source: https://junglewise.ai/threats/cve-2026-102116-a-weakness-could-have-allowed-an-authenticated-kiteworks-email  
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-2026-102116 · Severity: high · CVSS 7.2 · Published 2026-09-30

Kiteworks Email Protection Gateway is an email security appliance that protects organizations from email threats. An authenticated administrator can exploit a path traversal flaw to write files outside the intended directory and execute them with system-level privileges, allowing complete compromise of the gateway and potentially the entire email infrastructure.

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-2026-102116 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102116 being exploited in the wild.

**How severe is CVE-2026-102116?** 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-2026-102116?** A patch was published on 2026-09-30: version 9.5.0 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-102116 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-102116?** 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

The vulnerability is a path traversal (CWE-22) combined with code injection that allows authenticated administrators to write arbitrary files to unintended locations and cause the application to execute them. The attack requires administrative privileges and network access to the Email Protection Gateway. Successful exploitation results in remote code execution in the security context of the underlying service account.

## Affected products

- Kiteworks Email Protection Gateway before 9.5.0

## Timeline

- 2026-09-30: disclosed
- 2026-09-30: patched: version 9.5.0 released

## References

- [https://github.com/kiteworks/security-advisories/security/advisories/GHSA-pf8p-p269-4mjv](https://github.com/kiteworks/security-advisories/security/advisories/GHSA-pf8p-p269-4mjv)
- [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)