CVE-2026-27886— Strapi 路径遍历漏洞
一分钟漏洞结论
影响对象
strapi strapi
利用判断
存在公开或 AI PoC，应优先验证
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。
Strapi是法国strapi社区的一套开源的内容管理系统（CMS）。 Strapi 4.0.0版本至5.37.0之前版本存在路径遍历漏洞，该漏洞源于通过关系字段过滤内容时未充分清理查询参数，可能导致未经身份验证的攻击者使用where查询参数对admin_users表的私有字段执行布尔预言攻击，提取管理员重置令牌实现账户接管。
已观察到在野利用
github_trending · low
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一、 漏洞 CVE-2026-27886 基础信息
漏洞信息
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Vulnerability Title
Strapi may leak sensitive data via relational filtering due to lack of query sanitization
来源: CVE Program / CVE List V5
Vulnerability Description
Strapi is an open source headless content management system. Strapi versions starting in 4.0.0 and prior to 5.37.0 did not sufficiently sanitize query parameters when filtering content via relational fields. An unauthenticated attacker could use the `where` query parameter on any publicly-accessible content-type with an `updatedBy` (or other admin-relation) field to perform a boolean-oracle attack against private fields on the joined `admin_users` table, including the `resetPasswordToken` field. Extracting an admin reset token via this oracle made full administrative account takeover possible without authentication. When a filter such as `where[updatedBy][resetPasswordToken][$startsWith]=a` was applied to a public Content API endpoint, the underlying query generation performed a `LEFT JOIN` against the `admin_users` table and emitted a `WHERE` clause referencing the joined column. The query parameter sanitization layer did not block operator chains that traversed into relational target schemas the caller had no read permission on, allowing the response count to be used as a one-bit oracle on any admin-table field. The patch in version 5.37.0 introduces explicit query-parameter sanitization at the controller and service boundary via three new primitives: `strictParam`, `addQueryParams`, and `addBodyParams`. Operator chains that traverse into restricted relational targets are now rejected before reaching the database.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
来源: CVE Program / CVE List V5
Vulnerability Title
Strapi 路径遍历漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Strapi是法国strapi社区的一套开源的内容管理系统（CMS）。 Strapi 4.0.0版本至5.37.0之前版本存在路径遍历漏洞，该漏洞源于通过关系字段过滤内容时未充分清理查询参数，可能导致未经身份验证的攻击者使用where查询参数对admin_users表的私有字段执行布尔预言攻击，提取管理员重置令牌实现账户接管。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2026-27886 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | Strapi versions starting in 4.0.0 and prior to 5.37.0 did not sufficiently sanitize query parameters when filtering content via relational fields. An attacker could use the `where` query parameter on any publicly-accessible content-type with an `updatedBy` field to perform a boolean-oracle attack against private fields on the joined admin_users table, including the resetPasswordToken field, enabling full administrative account takeover without authentication. | https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2026/CVE-2026-27886.yaml | POC详情 |
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CVE-2026-27886 厂商安全公告 (1)
同批安全公告 · strapi · 2026-05-14 · 共 5 条
| CVE-2026-22706 | Strapi 代码问题漏洞 | |
| CVE-2026-22707 | Strapi 代码问题漏洞 | |
| CVE-2026-22599 | Strapi SQL注入漏洞 | |
| CVE-2025-64526 | Strapi 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-27886
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