LangChain Experimental Eval Injection vulnerability

{
  "id": "81c0d9eba397e9d7c16b12ee65c0b37917a4b21a54d9fdf1caeb106df98df04d",
  "url": "https://osv.dev/vulnerability/GHSA-p2qj-r53j-h3xj",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "LangChain Experimental Eval Injection vulnerability",
    "summary": "langchain_experimental (aka LangChain Experimental) 0.1.17 through 0.3.0 for LangChain allows attackers to execute arbitrary code through sympy.sympify (which uses eval) in LLMSymbolicMathChain. LLMSymbolicMathChain was introduced in fcccde406dd9e9b05fc9babcbeb9ff527b0ec0c6 (2023-10-05).",
    "evidence": "osv:GHSA-p2qj-r53j-h3xj",
    "products": [
      {
        "name": {
          "value": "langchain-experimental",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "0.3.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.3.0.dev1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "GHSA-p2qj-r53j-h3xj",
      "aliases": [
        "CVE-2024-46946",
        "GHSA-p2qj-r53j-h3xj",
        "PYSEC-2026-374"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0.1.17"
                },
                {
                  "last_affected": "0.3.0"
                }
              ]
            }
          ],
          "package": {
            "name": "langchain-experimental",
            "purl": "pkg:pypi/langchain-experimental",
            "ecosystem": "PyPI"
          },
          "versions": [
            "0.3.0",
            "0.3.0.dev1"
          ],
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/09/GHSA-p2qj-r53j-h3xj/GHSA-p2qj-r53j-h3xj.json"
          }
        }
      ],
      "modified": "2026-10-27T17:00:03.986872162Z",
      "provider": "osv",
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2024-46946",
        "https://docs.sympy.org/latest/modules/codegen.html",
        "https://gist.github.com/12end/68c0c58d2564ef4141bccd4651480820#file-cve-2024-46946-txt",
        "https://github.com/langchain-ai/langchain",
        "https://github.com/langchain-ai/langchain/releases/tag/langchain-experimental%3D%3D0.3.0",
        "https://github.com/pypa/advisory-database/tree/main/vulns/langchain-experimental/PYSEC-2026-374.yaml",
        "https://pypi.org/project/langchain-experimental"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-95"
        ],
        "severity": "CRITICAL",
        "github_reviewed": true,
        "nvd_published_at": "2024-09-19T05:15:11Z",
        "github_reviewed_at": "2024-09-19T18:23:47Z"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-46946",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 462890,
  "published_at": "2024-09-19T06:31:36+00:00"
}