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CVE-2026-77426— Unleash: Missing await on permission check + cross-project IDOR in admin API

一分钟漏洞结论

影响对象
Unleash unleash
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。

Unleash is an open-source feature management platform. Prior to 8.0.3, the Unleash admin API contains five authorization vulnerabilities. POST /api/admin/segments/strategies assigns the Promise returned by hasPermission without awaiting it, allowing authentica

CVSS 7.1 · High
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一、 漏洞 CVE-2026-77426 基础信息

漏洞信息

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Vulnerability Title
Unleash: Missing await on permission check + cross-project IDOR in admin API
来源: CVE Program / CVE List V5
Vulnerability Description
Unleash is an open-source feature management platform. Prior to 8.0.3, the Unleash admin API contains five authorization vulnerabilities. POST /api/admin/segments/strategies assigns the Promise returned by hasPermission without awaiting it, allowing authenticated users to modify segment assignments without UPDATE_FEATURE_STRATEGY permission for the target project and environment. GET /api/admin/projects/:projectId/features/:featureName/environments/:environment/variants does not bind the requested feature to projectId, allowing cross-project variant configuration disclosure. GET .../strategies/:strategyId uses strategyId without validating the project and feature context, allowing cross-project strategy configuration disclosure. getEnvironmentInfo does not validate that the requested feature belongs to the supplied project, allowing cross-project environment information disclosure. PUT /:projectId/tags accepts feature identifiers without verifying that they belong to the URL project, allowing cross-project tag modification. This issue is fixed in version 8.0.3.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Unleash unleash < 8.0.3 -

二、漏洞 CVE-2026-77426 的公开POC

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三、漏洞 CVE-2026-77426 的情报信息

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CVE-2026-77426 其他参考 (1)

CVE-2026-77426 其他参考 (6)

同批安全公告 · Unleash · 2026-09-22 · 共 4 条

CVE-2026-76910 5.3 MEDIUM Unleash: Clone-feature lets a user copy a feature from a project they cannot read
CVE-2026-77425 4.3 MEDIUM Unleash: A project member can reorder activation strategies belonging to any other project
CVE-2026-76909 2.1 LOW Unleash: CR-approval email renders user-controlled raw HTML

IV. Related Vulnerabilities

Same product: unleash
Same vendor: Unleash
Same weakness: CWE-639

V. Comments for CVE-2026-77426

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