# CVE-2026-90946

## Summary

- **CVE ID:** CVE-2026-90946
- **Severity:** HIGH
- **CVSS Score:** 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)
- **CWE:** CWE-73
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

DeepWiki-Open through commit d92819a contains an arbitrary file read vulnerability in the unauthenticated /ws/chat WebSocket endpoint that accepts repo_url as a filesystem path with no containment. Attackers can supply arbitrary directory paths to read all files with supported extensions including Python, JavaScript, YAML, and JSON files containing hardcoded secrets and credentials.

## Affected Products

- AsyncFuncAI — deepwiki-open (0)

## References

- [CNA](https://github.com/AsyncFuncAI/deepwiki-open/issues/536)
- [CNA](https://github.com/AsyncFuncAI/deepwiki-open)
- [CNA](https://github.com/AsyncFuncAI/deepwiki-open/blob/16f35a0fc0284e99b7963bbf4e8585e9957e2fe1/api/data_pipeline.py)
- [CNA](https://github.com/AsyncFuncAI/deepwiki-open/blob/d92819a9c9f3b99416e3580ff235fc9d3adf8b89/api/repository.py)
- [CNA](https://www.vulncheck.com/advisories/deepwiki-open-through-commit-d92819a-arbitrary-file-read-via-ws-chat-websocket)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.57%
- **EPSS Percentile:** 45.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._