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

> Local attackers can read sensitive documents from the GenOffice HTTP MCP server file store due to insecure permissions, bypassing authentication.

- **Severity:** Medium 6.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Oct 2026
- **Updated:** 14 Oct 2026
- **Also known as:** GHSA-29j6-3xvc-79ff

## What is CVE-2026-108582?

CVE-2026-108582 is a medium-severity vulnerability in genspark-ai GenOffice, published on 10 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource)

## Which versions are affected by CVE-2026-108582?


## How do I fix CVE-2026-108582?

No fix has been published for CVE-2026-108582 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-108582 being exploited?

There is no known exploitation of CVE-2026-108582 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-108582 and fix it if it is affected.

What it is: CVE-2026-108582 is a medium-severity vulnerability in genspark-ai GenOffice, published on 10 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-108582 in the wild and no public exploit code.

Affected product: genspark-ai GenOffice. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-108582/ (Markdown: https://insights.sbomify.com/CVE-2026-108582/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-108582
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108582
- OSV: https://osv.dev/vulnerability/CVE-2026-108582

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-108582/
Summaries are generated and may contain mistakes; the official description above is the record.