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I. Basic Information for CVE-2026-0773
Vulnerability Information

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Vulnerability Title
Upsonic Cloudpickle Deserialization of Untrusted Data Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Upsonic Cloudpickle Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Upsonic. Authentication is not required to exploit this vulnerability. The specific flaw exists within the add_tool endpoint, which listens on TCP port 7541 by default. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26845.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Upsonic 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Upsonic是Upsonic开源的一个AI代理框架。 Upsonic存在代码问题漏洞,该漏洞源于add_tool端点缺乏对用户提供数据的验证,可能导致反序列化不受信任数据和远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
UpsonicUpsonic 0.52.1 -
II. Public POCs for CVE-2026-0773
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III. Intelligence Information for CVE-2026-0773
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IV. Related Vulnerabilities
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