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CVE-2026-108582— GenOffice through 0.11.505 Insecure Permissions in HTTP MCP Server File Store

Quick assessment

Affected
genspark-ai GenOffice
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.

GenOffice 最高至版本 0.11.505 中存在一个不正确的权限漏洞，位于其 HTTP MCP 服务器的文件存储模块。该漏洞允许本地未授权用户读取已上传和生成的文档。攻击者可以通过列出系统临时目录下的全局可读目录 ，来读取客户端上传的文件以及转换后的输出内容，从而绕过 HTTP Bearer Token 的身份验证机制。

CVSS 5.5 · Medium

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys

Affected Version Matrix 1

VendorProduct Version RangeStatus
genspark-ai GenOffice ≤ 0.11.505 affected
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I. Basic Information for CVE-2026-108582

Vulnerability Information
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Vulnerability Title
GenOffice through 0.11.505 Insecure Permissions in HTTP MCP Server File Store
Source: CVE Program / CVE List V5
Vulnerability Description
GenOffice through 0.11.505 contains an incorrect permissions vulnerability in its HTTP MCP server file store that allows local unprivileged users to read uploaded and generated documents. Attackers can list the world-readable genoffice-mcp-http directory under the system temporary directory to read client uploads and converted outputs, bypassing the HTTP bearer token.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
genspark-ai GenOffice 0 ~ 0.11.505 -

II. Public POCs for CVE-2026-108582

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III. Intelligence Information for CVE-2026-108582

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Patches & Fixes for CVE-2026-108582 (1)

Vendor Advisories for CVE-2026-108582 (2)

Other References for CVE-2026-108582 (1)

IV. Related Vulnerabilities

Same weakness: CWE-732

V. Comments for CVE-2026-108582

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