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CVE-2026-44828— Qexo initialization endpoint can reset setup state and expose stored credentials

Quick assessment

Affected
Qexo Qexo
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.

Qexo 是一款面向静态博客的开源在线编辑器。在版本 4.0.0 至 4.2.0 中，Qexo 存在一个安全漏洞：通过 init_step_api 暴露的 /api/init_step/ 接口未施加身份验证、授权检查或安装完成状态保护。未授权的攻击者若从公开页面获取有效的 CSRF 令牌，即可提交首次初始化步骤并重置 INIT 设置，导致实例重新进入初始化流程。初始化响应及 /init/ 页面可能在前端内容中泄露已存储的 PROVIDER 配置信息，包括服务凭证。该问题已在版本 4.2.0 中得到修复。

CVSS 9.3 · Critical
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I. Basic Information for CVE-2026-44828

Vulnerability Information
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Vulnerability Title
Qexo initialization endpoint can reset setup state and expose stored credentials
Source: CVE Program / CVE List V5
Vulnerability Description
Qexo is an open source online editor for static blogs. From 4.0.0 until 4.2.0, Qexo exposes /api/init_step/ through init_step_api without authentication, authorization, or a setup-completion guard. An unauthenticated requester with a valid CSRF token obtained from a public page can submit the first initialization step and reset the INIT setting, causing the instance to re-enter the setup flow. The setup response and /init/ page can expose stored PROVIDER configuration, including service credentials, in frontend content. This issue is fixed in version 4.2.0.
Source: 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:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件和路径信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Qexo Qexo >= 4.0.0, < 4.2.0 -

II. Public POCs for CVE-2026-44828

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III. Intelligence Information for CVE-2026-44828

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Vendor Advisories for CVE-2026-44828 (1)

Vendor Pages for CVE-2026-44828 (1)

IV. Related Vulnerabilities

Same weakness: CWE-538

V. Comments for CVE-2026-44828

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