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CVE-2026-88897— Flextype CMS through 1.0.0-alpha.3 API Token Exposure via Query String

Quick assessment

Affected
flextype flextype
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Flextype是Flextype组织的一款内容管理系统。 Flextype 1.0.0-alpha.3及之前版本存在信息泄露漏洞，该漏洞源于REST API路由通过URL查询字符串参数接受API身份验证凭据，可能导致有权访问Web服务器、代理或监控日志的攻击者恢复有效的API令牌对并获得完整API访问权限。

CVSS 5.9 · Medium EPSS 0.32% · P25

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
flextype flextype ≤ 1.0.0-alpha.3 affected
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I. Basic Information for CVE-2026-88897

Vulnerability Information
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Vulnerability Title
Flextype CMS through 1.0.0-alpha.3 API Token Exposure via Query String
Source: CVE Program / CVE List V5
Vulnerability Description
Flextype CMS through 1.0.0-alpha.3 accepts API authentication credentials through URL query string parameters in REST API routes. Attackers with access to web server, proxy, or monitoring logs can recover valid API token pairs that grant full API access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过GET请求中的查询字符串导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Flextype 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flextype是Flextype组织的一款内容管理系统。 Flextype 1.0.0-alpha.3及之前版本存在信息泄露漏洞，该漏洞源于REST API路由通过URL查询字符串参数接受API身份验证凭据，可能导致有权访问Web服务器、代理或监控日志的攻击者恢复有效的API令牌对并获得完整API访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
flextype flextype 0 ~ 1.0.0-alpha.3 -

II. Public POCs for CVE-2026-88897

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III. Intelligence Information for CVE-2026-88897

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Vendor Advisories for CVE-2026-88897 (1)

Proof of Concept for CVE-2026-88897 (2)

Vendor Pages for CVE-2026-88897 (1)

IV. Related Vulnerabilities

Same product: flextype
Same vendor: flextype
Same weakness: CWE-598

V. Comments for CVE-2026-88897

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