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I. Basic Information for CVE-2025-6984
Vulnerability Information
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Vulnerability Title
Sensitive Information Disclosure Due to Insecure XML Parsing in langchain-ai/langchain
Source: NVD (National Vulnerability Database)
Vulnerability Description
The langchain-ai/langchain project, specifically the EverNoteLoader component, is vulnerable to XML External Entity (XXE) attacks due to insecure XML parsing. The affected version is 0.3.63. The vulnerability arises from the use of etree.iterparse() without disabling external entity references, which can lead to sensitive information disclosure. An attacker could exploit this by crafting a malicious XML payload that references local files, potentially exposing sensitive data such as /etc/passwd.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
LangChain 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LangChain是LangChain开源的一个用于开发由大型语言模型 （LLM） 提供支持的应用程序的框架。 LangChain 0.3.63版本存在信息泄露漏洞，该漏洞源于XML解析不安全，可能导致敏感信息泄露。
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
langchain-ailangchain-ai/langchain unspecified ~ latest -
II. Public POCs for CVE-2025-6984
#POC DescriptionSource LinkShenlong Link
1langchain-ai/langchain 0.3.63 contains an XML External Entity (XXE) injection caused by insecure XML parsing in EverNoteLoader using etree.iterparse(), letting attackers disclose sensitive information, exploit requires crafted malicious XML payload. https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2025/CVE-2025-6984.yamlPOC Details
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III. Intelligence Information for CVE-2025-6984
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IV. Related Vulnerabilities
Same product: langchain-ai/langchain
Same vendor: langchain-ai
Same weakness: CWE-200
V. Comments for CVE-2025-6984

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