CVE-2026-108582

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/genspark-ai/genoffice/blob/v0.11.505/packages/cli/src/mcp/files.ts#L70-L90
https://github.com/genspark-ai/genoffice/releases/tag/v0.11.505
https://hackmd.io/@haind/genoffice-http-mcp-temp-file-disclosure
https://www.vulncheck.com/advisories/genoffice-through-0.11.505-insecure-permissions-in-http-mcp-server-file-store

Configurations

No configuration.

History

10 Oct 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-10 16:16

Updated : 2026-10-16 19:18

NVD link : CVE-2026-108582

Mitre link : CVE-2026-108582

CVE.ORG link : CVE-2026-108582

JSON object : View

Products Affected

No product.

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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