# CVE-2026-35487: text-generation-webui has a Path Traversal in load_prompt() — .txt file read without authentication

> Unauthenticated attackers can read arbitrary .txt files from the server filesystem via path traversal in the load_prompt function.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Apr 2026
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-mfgg-vvc6-vqq7

## What is CVE-2026-35487?

CVE-2026-35487 is a medium-severity path traversal vulnerability in oobabooga text-generation-webui, published on 7 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, an unauthenticated path traversal vulnerability in load_prompt() allows reading any .txt file on the server filesystem. The file content is returned verbatim in the API response. This vulnerability is fixed in 4.3.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-35487?

It affects 1 product.


Products: Oobabooga Text Generation Web Ui.

## How do I fix CVE-2026-35487?

No fix has been published for CVE-2026-35487 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-35487 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35487 exists.

## Other vulnerabilities in oobabooga text-generation-webui

- [CVE-2026-35486](https://insights.sbomify.com/CVE-2026-35486/): text-generation-webui has a SSRF in superbooga/superboogav2 extensions — no URL validation (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-35487 and fix it if it is affected.

What it is: CVE-2026-35487 is a medium-severity path traversal vulnerability in oobabooga text-generation-webui, published on 7 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35487 exists.

Affected product: oobabooga text-generation-webui. 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-2026-35487/ (Markdown: https://insights.sbomify.com/CVE-2026-35487/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-35487
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35487
- OSV: https://osv.dev/vulnerability/CVE-2026-35487

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-35487/
Summaries are generated and may contain mistakes; the official description above is the record.