Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1310 CNY

100%
Buy Us a Coffee

CVE-2026-8890— code100x Mobile API Authentication Bypass via Header Spoofing

CVSS 8.2 · High EPSS 0.10% · P27

Affected Version Matrix 2

VendorProductVersion RangeStatus
code100xcode100x< 90b489ee7c63c301107d6374d4b3f2b8e4060fe5affected
< 88c6c5e94e23da101235c4c7e9c7591ac1016549affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-8890

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
code100x Mobile API Authentication Bypass via Header Spoofing
Source: NVD (National Vulnerability Database)
Vulnerability Description
code100x contains an authentication bypass vulnerability in the Mobile API that allows unauthenticated attackers to impersonate arbitrary users by supplying a crafted JSON payload in the 'g' HTTP header. The middleware in middleware.ts skips identity header generation when an Auth-Key header is present without validating its value, allowing attackers to inject a spoofed user identity header that the downstream route handler in the mobile courses endpoint accepts as trusted, granting unauthorized access to course data belonging to any enrolled user or administrator.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
100xDevs CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
100xDevs CMS是code100x开源的一个内容管理系统的开源仓库。 100xDevs CMS存在安全漏洞，该漏洞源于Mobile API中存在身份验证绕过，可能导致未经身份验证的攻击者通过提供特制JSON有效载荷来冒充任意用户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
code100xcode100x 0 ~ 90b489ee7c63c301107d6374d4b3f2b8e4060fe5 -

II. Public POCs for CVE-2026-8890

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6222 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-8890

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-8890 (2)

Other References for CVE-2026-8890 (2)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-8890

No comments yet

Leave a comment