Vulnerability in Genspark-Ai Genoffice
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind/genoffice-http-mcp-temp-file-disclosure (third-party-advisory)
- github.com/genspark-ai/genoffice/blob/v0.11.505/packages/cli/src/mcp/files.ts (technical-description)
- github.com/genspark-ai/genoffice/releases/tag/v0.11.505 (release-notes, product)
- www.vulncheck.com/advisories/genoffice-through-0.11.505-insecure-permissions-in… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108582?
- CVE-2026-108582 is a medium-severity vulnerability in Genspark-Ai Genoffice, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2026-10-10.
- How severe is CVE-2026-108582?
- Medium severity. CVSS v3 base score is 5.5 out of 10.