PYSEC-2024-323

Vulnerability from pysec - Published: 2024-09-17 12:15 - Updated: 2026-07-13 05:49
VLAI
Details

A vulnerability in the FAISS.deserialize_from_bytes function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the os.system function. The issue affects the latest version of the product.

Impacted products
Name purl
langchain pkg:pypi/langchain
Aliases

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "langchain",
        "purl": "pkg:pypi/langchain"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.2.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.1",
        "0.0.10",
        "0.0.100",
        "0.0.101",
        "0.0.101rc0",
        "0.0.102",
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        "0.1.1",
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        "0.1.14",
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        "0.1.17",
        "0.1.17rc1",
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        "0.2.5",
        "0.2.6",
        "0.2.7",
        "0.2.8"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-5998"
  ],
  "details": "A vulnerability in the FAISS.deserialize_from_bytes function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the os.system function. The issue affects the latest version of the product.",
  "id": "PYSEC-2024-323",
  "modified": "2026-07-13T05:49:28.193326Z",
  "published": "2024-09-17T12:15:02.977Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/langchain-ai/langchain/commit/604dfe2d99246b0c09f047c604f0c63eafba31e7"
    },
    {
      "type": "EVIDENCE",
      "url": "https://huntr.com/bounties/fa3a2753-57c3-4e08-a176-d7a3ffda28fe"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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