{"id":"CVE-2023-44467","aliases":["GHSA-gjjr-63x4-v8cq","PYSEC-2023-194"],"url":"https://o3.security/vulnerability/CVE-2023-44467","summary":"langchain_experimental vulnerable to arbitrary code execution via PALChain in the python exec method","details":"langchain_experimental (aka LangChain Experimental) in LangChain before 0.0.306 allows an attacker to bypass the CVE-2023-36258 fix and execute arbitrary code via __import__ in Python code, which is not prohibited by pal_chain/base.py.","published":"2023-10-09T00:00:00Z","modified":"2026-08-08T03:47:47.161469846Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"langchain-experimental","fixedVersion":null}],"fix":{"url":"https://github.com/langchain-ai/langchain/commit/4c97a10bd0d9385cfee234a63b5bd826a295e483","label":"langchain-ai/langchain@4c97a10"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/44xxx/CVE-2023-44467.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-44467"},{"type":"FIX","url":"https://github.com/langchain-ai/langchain/commit/4c97a10bd0d9385cfee234a63b5bd826a295e483"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:47.161469846Z"}}