---
title: "CVE-2026-90946: DeepWiki-Open - Arbitrary File Read"
description: "DeepWiki-Open through commit d92819a contains an arbitrary file read vulnerability caused by lack of path containment in the unauthenticated /ws/chat WebSocket endpoint, letting attackers read sensitive files, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-90946/
---

# CVE-2026-90946 DeepWiki-Open - Arbitrary File Read

DeepWiki-Open through commit d92819a contains an arbitrary file read vulnerability caused by lack of path containment in the unauthenticated /ws/chat WebSocket endpoint, letting attackers read sensitive files, exploit requires no authentication.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.51% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90946)

## Details

Type

Arbitrary File Read

Impact

File System Read, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-73](https://cwe.mitre.org/data/definitions/73.html)

## Vendor fix

Update to a version that fixes the path containment issue or apply patches to restrict filesystem path access.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90946](https://nvd.nist.gov/vuln/detail/CVE-2026-90946)
- [https://github.com/AsyncFuncAI/deepwiki-open](https://github.com/AsyncFuncAI/deepwiki-open)
- [https://github.com/AsyncFuncAI/deepwiki-open/blob/16f35a0fc0284e99b7963bbf4e8585e9957e2fe1/api/data\_pipeline.py](https://github.com/AsyncFuncAI/deepwiki-open/blob/16f35a0fc0284e99b7963bbf4e8585e9957e2fe1/api/data_pipeline.py)
- [https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/repository.py](https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/repository.py)
- [https://github.com/AsyncFuncAI/deepwiki-open/issues/536](https://github.com/AsyncFuncAI/deepwiki-open/issues/536)
- [https://www.vulncheck.com/advisories/deepwiki-open-through-commit-d92819a-arbitrary-file-read-via-ws-chat-websocket](https://www.vulncheck.com/advisories/deepwiki-open-through-commit-d92819a-arbitrary-file-read-via-ws-chat-websocket)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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