PYSEC-2024-111

Vulnerability from pysec - Published: 2024-10-29 13:15 - Updated: 2025-05-02 18:39
Withdrawn 2024-11-04 VLAI
Details

A path traversal vulnerability exists in the getFullPath method of langchain-ai/langchainjs version 0.2.5. 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.

Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Impacted products
Name purl
langchain pkg:pypi/langchain
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "langchain",
        "purl": "pkg:pypi/langchain"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a0fad77d6b569e5872bd4a9d33be0c0785e538a9"
            }
          ],
          "repo": "https://github.com/langchain-ai/langchainjs",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
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    }
  ],
  "aliases": [
    "CVE-2024-7774"
  ],
  "details": "A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version 0.2.5. 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.",
  "id": "PYSEC-2024-111",
  "modified": "2025-05-02T18:39:47.588215Z",
  "published": "2024-10-29T13:15:00Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee"
    },
    {
      "type": "FIX",
      "url": "https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "withdrawn": "2024-11-04T21:54:00Z"
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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