漏洞信息
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Vulnerability Title
authentik: WS-Federation wreply origin bypass can exfiltrate signed login responses to attacker-controlled endpoints
Vulnerability Description
authentik is an open-source identity provider. Prior to version 2026.2.3, the WS-Federation provider validates the user-supplied wreply parameter using a raw string prefix check rather than proper URL parsing. An attacker who can craft a login link can supply a wreply value on a different origin that passes the check (e.g. https://portal.example.com.evil.tld/), causing the victim's browser to POST the signed WS-Federation login response to attacker-controlled infrastructure. This issue has been patched in version 2026.2.3.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Vulnerability Title
authentik 输入验证错误漏洞
Vulnerability Description
authentik是authentik开源的一个身份提供应用程序。 authentik 2026.2.3之前版本存在输入验证错误漏洞,该漏洞源于WS-Federation提供程序使用原始字符串前缀检查而非正确URL解析验证用户提供的wreply参数,可能导致攻击者构造登录链接将受害者浏览器重定向到攻击者控制的基础设施。
CVSS Information
N/A
Vulnerability Type
N/A