CVE-2026-121926: yezhihao jt808-server Web Management API WebMvcConfig.addInterceptors missing authentication

Published Nov 4, 2026
·
Updated

A vulnerability was detected in yezhihao jt808-server up to a07f68c466b560b97ef41edb8a4966469abdf83e. Affected is the function WebMvcConfig.addInterceptors of the component Web Management API. The manipulation results in missing authentication. The attack may be launched remotely. The exploit is now public and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The vendor was contacted early about this disclosure but did not respond in any way.

Event History

Nov 4, 2026
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who is exposed to this issue?

Deployments of yezhihao jt808-server that include the Web Management API are exposed if they contain the affected WebMvcConfig.addInterceptors implementation. The issue can be exploited remotely and requires no authentication or user interaction.

2

What can an unauthenticated attacker do?

The vulnerability results in missing authentication for the affected Web Management API component. The available data rates the potential impact as limited confidentiality, integrity, and availability impact.

3

Are fixed versions available?

No affected or updated version details are available because the product uses a rolling release model. The vendor reportedly did not respond to the disclosure.

4

What should teams do if they cannot confirm a patch is available?

Restrict network access to the Web Management API, especially from untrusted networks, because exploitation can be launched remotely without credentials. Treat publicly reachable instances as higher priority because a public exploit is available.

Contact

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