{"id":"GHSA-p2qj-r53j-h3xj","aliases":["CVE-2024-46946","PYSEC-2026-374"],"title":"LangChain Experimental Eval Injection vulnerability","description":"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).","severity":"critical","score":9.8,"published":"2024-09-19T06:31:36.000Z","modified":"2026-10-27T17:00:03.986Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"PyPI","name":"langchain-experimental","ranges":[{"events":[{"introduced":"0.1.17"},{"last_affected":"0.3.0"}],"type":"ECOSYSTEM"}],"versions":["0.3.0","0.3.0.dev1"],"fixed":[]}],"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"],"sources":[{"name":"OSV","id":"GHSA-p2qj-r53j-h3xj","modified":"2026-10-27T17:00:03.986872162Z","url":"https://osv.dev/vulnerability/GHSA-p2qj-r53j-h3xj"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},{"source":"OSV","vector":"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","score":9.3}]}