# CVE-2026-111935: NoteGen through 0.38.3 Local File Disclosure via Chat Image Analysis

> Attackers with sync write access can exploit unvalidated paths in chat image analysis to disclose local files to the AI provider.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 19 Oct 2026
- **Updated:** 19 Oct 2026
- **Also known as:** GHSA-4fc4-j7c3-c9rg

## What is CVE-2026-111935?

CVE-2026-111935 is a low-severity path traversal vulnerability in codexu NoteGen, published on 19 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

NoteGen through 0.38.3 contains an external control of file path vulnerability in chat image analysis that allows attackers to read local image files via unvalidated synced sourceUrl paths. Attackers with write access to the victim's sync target can plant absolute paths or file:// URLs, causing image_inspect to send local images to the AI provider.

Weakness: CWE-73 (External Control of File Name or Path)

## Which versions are affected by CVE-2026-111935?


## How do I fix CVE-2026-111935?

No fix has been published for CVE-2026-111935 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-111935 being exploited?

There is no known exploitation of CVE-2026-111935 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-111935 and fix it if it is affected.

What it is: CVE-2026-111935 is a low-severity path traversal vulnerability in codexu NoteGen, published on 19 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-111935 in the wild and no public exploit code.

Affected product: codexu NoteGen. 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-2026-111935/ (Markdown: https://insights.sbomify.com/CVE-2026-111935/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-111935
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-111935
- OSV: https://osv.dev/vulnerability/CVE-2026-111935

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-111935/
Summaries are generated and may contain mistakes; the official description above is the record.