CVE-2026-77386— Kyoo OIDC登录令牌重定向漏洞
一分钟漏洞结论
影响对象
zoriya Kyoo
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Kyoo is a self-hosted media server focused on movies, series, and anime. Prior to 5.1.0, an unauthenticated attacker could initiate the OIDC login flow with an attacker-controlled redirectUrl. The login handling in auth/oidc.go stored that URL with the opaque
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一、 漏洞 CVE-2026-77386 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Kyoo: OIDC login token can be redirected to an attacker-controlled URL
来源: CVE Program / CVE List V5
Vulnerability Description
Kyoo is a self-hosted media server focused on movies, series, and anime. Prior to 5.1.0, an unauthenticated attacker could initiate the OIDC login flow with an attacker-controlled redirectUrl. The login handling in auth/oidc.go stored that URL with the opaque login state, and /auth/oidc/logged/{provider} appended the provider, token, and error values before redirecting the victim's browser without validating the destination. Because the one-use token was not bound to the browser session that initiated login, an attacker who induced a victim to complete OIDC authentication could capture the token at the attacker-controlled destination and exchange it through /auth/oidc/callback/{provider} for the victim's Kyoo session. This issue is fixed in version 5.1.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-77386 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-77386 补丁与修复 (2)
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Whitelist oidc redirect urls · zoriya/Kyoo@02ab3af · GitHub x_refsource_MISC
CVE-2026-77386 其他参考 (2)
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Release v5.1.0 · zoriya/Kyoo · GitHub x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2026-77386
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