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

Quick assessment

Affected

yezhihao jt808-server

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 yezhihao 的 jt808-server 项目（截至提交哈希 a07f68c466b560b97ef41edb8a4966469abdf83e）中发现了一个安全漏洞。该漏洞影响 Web 管理 API 组件中的 WebMvcConfig.addInterceptors 函数，攻击者可通过操纵该函数导致身份验证机制失效。此攻击可远程发起，且利用代码现已公开并可被使用。该产品采用滚动发布模式，确保持续交付，因此受影响版本和修复版本均无明确的版本编号。漏洞披露初期已联系厂商，但厂商未作任何回应。

CVSS 7.3 · High Updated Nov 05, 2026

Possible ATT&CK Techniques 2 AI

T1571 · Non-Standard Port T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
yezhihao	jt808-server	`a07f68c466b560b97ef41edb8a4966469abdf83e`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

yezhihao jt808-server Web Management API WebMvcConfig.addInterceptors missing authentication

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

关键功能的认证机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
yezhihao	jt808-server	a07f68c466b560b97ef41edb8a4966469abdf83e	`cpe:2.3:a:yezhihao:jt808-server::::::::`

II. Public POCs for CVE-2026-121926

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-121926

请登录查看更多情报信息。

Proof of Concept for CVE-2026-121926 (1)

CVE-2026-121926 | yezhihao jt808-server up to a07f68c466b560b97ef41edb8a4966469abdf83e Web Management API WebMvcConfig.addInterceptors missing authentication vdb-entry technical-description

Other References for CVE-2026-121926 (4)

https://gist.github.com/janceye26-svg/eddbfcd42bbd90613dddcb7965408bf9 exploit
https://vuldb.com/cve/CVE-2026-121926 third-party-advisory
https://vuldb.com/vuln/431035/cti signature permissions-required
https://vuldb.com/submit/1023350 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-121926

IV. Related Vulnerabilities

Same weakness: CWE-306