漏洞信息
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Vulnerability Title
SpringBlade 2.7.3 < 5.0.0 Privilege Escalation via Exposed Feign Endpoint
Vulnerability Description
SpringBlade versions from 2.7.3 up to but not including 5.0.0 contain a privilege escalation vulnerability that allows authenticated attackers to create system administrator accounts by sending crafted POST requests to an unprotected internal Feign user-creation endpoint exposed via @RestController without authorization checks. Attackers can exploit the gateway's authentication filter, which only validates JWT parsing without verifying user roles or caller identity, and leverage a hardcoded JWT signing key embedded in publicly available JARs to forge tokens and escalate privileges from a low-privilege user to administrator, enabling cross-tenant data pollution and persistent backdoor access.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
授权机制缺失
Vulnerability Title
chillzhuang SpringBlade 授权问题漏洞
Vulnerability Description
chillzhuang SpringBlade是chillzhuang个人开发者的一款整合多项开发功能的开发框架。 chillzhuang SpringBlade 2.7.3版本至5.0.0之前版本存在授权问题漏洞,该漏洞源于未受保护的内部Feign用户创建端点暴露且缺乏授权检查,以及认证过滤器仅验证JWT解析而不验证用户角色或调用者身份,并存在硬编码JWT签名密钥,可能导致已认证攻击者通过发送特制POST请求伪造令牌、创建系统管理员账户并提升权限至管理员,造成跨租户数据污染和持久后门访问。
CVSS Information
N/A
Vulnerability Type
N/A