# CVE-2026-85687: surya 0.22.1 Unauthenticated Arbitrary File Read via screenshot server

> Unauthenticated attackers can read arbitrary image or PDF files on the host via the surya screenshot server's file path parameters.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Sep 2026
- **Updated:** 4 Sep 2026
- **Also known as:** GHSA-756c-28v8-3vfp

## What is CVE-2026-85687?

CVE-2026-85687 is a high-severity path traversal vulnerability in datalab-to surya, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

surya 0.22.1 screenshot server contains an unauthenticated arbitrary file read vulnerability in the /info, /page, and /process routes that accept raw file_path parameters. Attackers can read any image or PDF file on the host by supplying arbitrary file paths to Image.open or pypdfium2.PdfDocument, obtaining rendered contents as base64 and using /info as an existence oracle.

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

## Which versions are affected by CVE-2026-85687?


## How do I fix CVE-2026-85687?

No fix has been published for CVE-2026-85687 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-85687 being exploited?

There is no known exploitation of CVE-2026-85687 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-85687 and fix it if it is affected.

What it is: CVE-2026-85687 is a high-severity path traversal vulnerability in datalab-to surya, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-85687 in the wild and no public exploit code.

Affected product: datalab-to surya. 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-2026-85687/ (Markdown: https://insights.sbomify.com/CVE-2026-85687/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-85687
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-85687
- OSV: https://osv.dev/vulnerability/CVE-2026-85687

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-85687/
Summaries are generated and may contain mistakes; the official description above is the record.