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CVE-2026-102134

5.4 · MEDIUM

Kiteworks Core did not apply its gateway-level API security controls to every request authenticated through the platform's central authentication service.

Published Sep 30, 2026accellionCWE-420EPSS 0.21%

Overview

CVE-2026-102134 is a medium-severity vulnerability affecting accellion kiteworks. It was published on September 30, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Kiteworks Core did not apply its gateway-level API security controls to every request authenticated through the platform's central authentication service. An authenticated user could reach REST API functionality over a request path on which those controls, including enforcement of signed-out and revoked sessions, were not applied.

Remediation

Check the references section for vendor advisories and patches from accellion. Update kiteworks to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
accellionkiteworks>= 0, < 9.5.1Affected

References

GitHubgithub.com/kiteworks/security-advisories/security/advisories/GHSA-8q58-vrwm-jxhqRefraw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json

How CyberStrike helps

Frequently asked questions

What is CVE-2026-102134?

CVE-2026-102134 is a medium-severity vulnerability affecting accellion kiteworks. It was published on September 30, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-102134?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-102134?

Check the references section for vendor advisories and patches from accellion. Update kiteworks to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-102134?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-102134 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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