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CVE-2026-55536

CRITICAL CVSS: 9.1 Published: 2026-08-25 Modified: 2026-08-28

Description

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server _handle_connection() checks Chrome extension origins with re.match() and the unanchored expression chrome-extension://[a-z0-9]{32}. Extra trailing characters pass before websocket.accept(), allowing start_session commands and unauthorized browser automation. This issue is fixed in version 4.6.58.

Affected Platforms

Unknown

Weakness Type

CWE-284, CWE-625

References