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NVD
NVD
added 2026/04/08 9:17 p.m.6 views

CVE-2026-39889

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 createa2uroutes function registers the following endpoints with NO authentication checks: /a2u/info, /a2u/subscribe,...

7.5CVSS0.00425EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
added 2026/04/08 8:44 p.m.2 views

CVE-2026-39889 PraisonAI has Unauthenticated SSE Event Stream Exposes All Agent Activity in A2U Server

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 createa2uroutes function registers the following endpoints with NO authentication checks: /a2u/info, /a2u/subscribe,...

7.5CVSS5.8AI score0.00425EPSS
SaveExploits0References1
OSV
OSV
added 2026/04/08 8:44 p.m.3 views

CVE-2026-39889 PraisonAI has Unauthenticated SSE Event Stream Exposes All Agent Activity in A2U Server

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 createa2uroutes function registers the following endpoints with NO authentication checks: /a2u/info, /a2u/subscribe,...

7.5CVSS5.9AI score0.00425EPSS
SaveExploits0References3
CVE
CVE
added 2026/04/08 8:44 p.m.31 views

CVE-2026-39889

PraisonAI's A2U event stream server exposes all agent activity without authentication prior to version 4.5.115. The create_a2u_routes() function registers endpoints /a2u/info, /a2u/subscribe, /a2u/events/{stream_name}, /a2u/events/sub/{id}, and /a2u/health with no auth checks, enabling unauthenti...

7.5CVSS5.9AI score0.00425EPSS
SaveExploits0References1Affected Software1
Cvelist
Cvelist
added 2026/04/08 8:44 p.m.21 views

CVE-2026-39889 PraisonAI has Unauthenticated SSE Event Stream Exposes All Agent Activity in A2U Server

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 createa2uroutes function registers the following endpoints with NO authentication checks: /a2u/info, /a2u/subscribe,...

7.5CVSS0.00425EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
added 2026/04/08 12:0 a.m.10 views

PT-2026-31456

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.5.115 Description PraisonAI's Agent-to-User A2U event stream server, prior to version 4.5.115, lacks authentication, exposing all agent activity. The create a2u routes function registers several API endpoints...

7.5CVSS6.1AI score0.00425EPSS
SaveExploits0References11
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