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LangChain < 0.2.5 Arbitrary File Write

LangChain versions prior to 0.2.5 have a path traversal vulnerability affecting file security.

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Refs
Code
ReporterTitlePublishedViews
Family
Github Security Blog
Langchain Path Traversal vulnerability
29 Oct 202415:32
github
OSV
Langchain Path Traversal vulnerability
29 Oct 202415:32
osv
OSV
CGA-pmgr-vj55-v49h
26 Nov 202415:21
osv
OSV
PYSEC-2024-111
29 Oct 202413:15
osv
OSV
CVE-2024-7774
29 Oct 202413:15
osv
Cvelist
CVE-2024-7774 Path Traversal in langchain-ai/langchainjs
29 Oct 202412:49
cvelist
Vulnrichment
CVE-2024-7774 Path Traversal in langchain-ai/langchainjs
29 Oct 202412:49
vulnrichment
NVD
CVE-2024-7774
29 Oct 202413:15
nvd
CVE
CVE-2024-7774
29 Oct 202413:15
cve
#%NASL_MIN_LEVEL 80900

##
# Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(213566);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/01/16");

  script_cve_id("CVE-2024-7774");

  script_name(english:"LangChain < 0.2.5 Arbitrary File Write");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of LangChain installed on the remote host is prior to 0.2.5. It is, therefore, affected by a
  path traversal vulnerability which exists in the `getFullPath` method. This vulnerability allows attackers 
  to save files anywhere in the filesystem, overwrite existing text files, read `.txt` files, and delete 
  files. The vulnerability is exploited through the `setFileContent`,  `getParsedFile`, and `mdelete` 
  methods, which do not properly sanitize user input.

  Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.");
  # https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ea6e05bc");
  script_set_attribute(attribute:"see_also", value:"https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee");
  script_set_attribute(attribute:"solution", value:
"Upgrade to LangChain version 0.2.5 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-7774");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(22, 29);

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/10/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/10/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/01/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:langchain:langchain");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Artificial Intelligence");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("python_langchain_detect.nbin");
  script_require_keys("installed_sw/LangChain");

  exit(0);
}

include('vcf.inc');

var app_info = vcf::get_app_info(app:'LangChain');
var constraints = [
    { 'fixed_version':'0.2.5' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);
        

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08 Jan 2025 00:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS36.5 - 9.1
SSVC
4
.json
Report