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CVE-2026-39889

HIGH CVSS: 7.5 Published: 2026-04-08 Modified: 2026-07-24

Description

PraisonAI is a multi-agent teams system. Prior to 4.5.115, the A2U (Agent-to-User) event stream server in PraisonAI exposes all agent activity without authentication. The create_a2u_routes() function registers the following endpoints with NO authentication checks: /a2u/info, /a2u/subscribe, /a2u/events/{stream_name}, /a2u/events/sub/{id}, and /a2u/health. This vulnerability is fixed in 4.5.115.

Affected Platforms

Praison Praisonai

Weakness Type

CWE-200, NVD-CWE-noinfo

References