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Vulnerability record · CVE-2026-57148 · published 15 September 2026

CVE-2026-57148: Improper authentication vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.64% · top 51.4% CWE-287 · Improper authenticationCWE-798 · Hard-coded credentials Deferred
9.8CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
16 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-57148), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.