漏洞信息
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Vulnerability Title
Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)
Vulnerability 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.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
访问控制不恰当
Vulnerability Title
Mervin Praison PraisonAI 权限许可和访问控制问题漏洞
Vulnerability Description
Mervin Praison PraisonAI是Mervin Praison个人开发者开源的一个低代码多智能体协作框架。 Mervin Praison PraisonAI 4.6.58之前版本存在安全漏洞,该漏洞源于Browser Server _handle_connection()函数使用re.match()和未锚定的正则表达式chrome-extension://[a-z0-9]{32}检查Chrome扩展来源,额外尾随字符可通过websocket.accept(),可能导致未经授权的浏览器自动化
CVSS Information
N/A
Vulnerability Type
N/A