CVE-2026-102134 Kiteworks Core Unprotected Alternate Channel
Authenticated users can bypass API security controls and access restricted functionality via an unprotected alternate request path.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102134?
CVE-2026-102134 is a medium-severity missing authorization vulnerability in Accellion Kiteworks, published on 30 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-420
Which versions are affected by CVE-2026-102134?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102134?
No fix has been published for CVE-2026-102134 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-102134 being exploited?
There is no known exploitation of CVE-2026-102134 in the wild and no public exploit code.
Other vulnerabilities in Accellion Kiteworks
- CVE-2026-102115 Kiteworks Core Authentication Bypass in the Password Reset Workflow
- CVE-2026-102149 Kiteworks Email Protection Gateway Improper Access Control
- CVE-2026-102147 Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)
- CVE-2026-102095 Kiteworks Email Protection Gateway server-side request forgery
- CVE-2026-102102 Kiteworks Email Protection Gateway server-side request forgery