# CVE-2026-57148

## Summary

- **CVE ID:** CVE-2026-57148
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-287, CWE-798, CWE-1188
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 16, 2026

## Description

PraisonAI is a multi-agent teams system. Prior to 0.1.6, praisonai_platform/services/auth_service.py falls back to the public dev-secret-change-me HS256 signing key when PLATFORM_JWT_SECRET is unset, while the startup and token-issuance guards are disabled because PLATFORM_ENV also defaults to dev. An unauthenticated attacker can sign a JWT containing an attacker-chosen sub value, and AuthService._verify_token() accepts it as an authenticated identity, enabling user or workspace-owner impersonation when a target identifier is known. This vulnerability is fixed in praisonai-platform 0.1.6.

## Affected Products

- MervinPraison — PraisonAI (< 4.6.51)
- MervinPraison — praisonai-platform (< 0.1.6)

## References

- [CNA](https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-f38v-77qj-h4jq)
- [CNA](https://github.com/MervinPraison/PraisonAI/pull/1793)
- [CNA](https://github.com/MervinPraison/PraisonAI/commit/e0fb8e7dd1ee6759c18ed07f436c21dbd9c20747)
- [CNA](https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.51)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.37%
- **EPSS Percentile:** 30.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._