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CVE-2026-91167— Warpgate: Missing authorization check on `PUT /users/:id/roles/:role_id` allows any admin to bypass the `AccessRolesAssign` permission boundary

一分钟漏洞结论

影响对象
warp-tech warpgate
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。

Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.28.4, PUT /@warpgate/admin/api/users/:id/roles/:role_id reaches api_update_user_role in warpgate-admin/src/api/users.rs through AdminContext but does not require AdminPermission

CVSS 6.0 · Medium EPSS 0.24% · P15
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一、 漏洞 CVE-2026-91167 基础信息

漏洞信息

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Vulnerability Title
Warpgate: Missing authorization check on `PUT /users/:id/roles/:role_id` allows any admin to bypass the `AccessRolesAssign` permission boundary
来源: CVE Program / CVE List V5
Vulnerability Description
Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.28.4, PUT /@warpgate/admin/api/users/:id/roles/:role_id reaches api_update_user_role in warpgate-admin/src/api/users.rs through AdminContext but does not require AdminPermission::AccessRolesAssign. A limited administrator with any permission can update expires_at on an existing UserRoleAssignment and clear revoked_at, extending an expiring grant or reinstating a revoked grant. The endpoint cannot create a role assignment that never existed because it returns not found without a matching user and role pair. This issue is fixed in version 0.28.4.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
warp-tech warpgate < 0.28.4 -

二、漏洞 CVE-2026-91167 的公开POC

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三、漏洞 CVE-2026-91167 的情报信息

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CVE-2026-91167 补丁与修复 (1)

CVE-2026-91167 其他参考 (2)

同批安全公告 · warp-tech · 2026-09-21 · 共 7 条

CVE-2026-58491 9.3 CRITICAL Warpgate: Reflected XSS in SSO return endpoint via attacker-controlled next parameter
CVE-2026-63330 7.7 HIGH Warpgate: Missing Admin Authorization on Live Recording Stream WebSocket Allows Any Authen
CVE-2026-91166 5.7 MEDIUM Warpgate: Web SSH stores a jump host's key against the target's address, so it validates a
CVE-2026-63329 4.9 MEDIUM Warpgate: x-warpgate-username Header Not Stripped from Client Requests Enables Identity Sp
CVE-2026-91164 4.3 MEDIUM Warpgate: API tokens bypass the user's allowed_ip_ranges restriction
CVE-2026-91165 2.4 LOW Warpgate: Markup injection in SSO form_post return page via unencoded redirect/error value

IV. Related Vulnerabilities

Same product: warpgate
Same vendor: warp-tech
Same weakness: CWE-862

V. Comments for CVE-2026-91167

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