{"cve":"CVE-2023-44467","nvd":{"published":"2023-10-09T20:15:10.480","modified":"2026-06-17T06:27:41.843","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://github.com/langchain-ai/langchain/commit/4c97a10bd0d9385cfee234a63b5bd826a295e483","https://github.com/langchain-ai/langchain/commit/4c97a10bd0d9385cfee234a63b5bd826a295e483"],"products":["langchain:langchain_experimental"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-44467","score":0.01039,"percentile":0.63995,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-gjjr-63x4-v8cq","url":"https://osv.dev/vulnerability/GHSA-gjjr-63x4-v8cq","summary":"langchain_experimental vulnerable to arbitrary code execution via PALChain in the python exec method","modified":"2025-02-24T21:11:14.038277Z","packages":[{"ecosystem":"PyPI","name":"langchain-experimental","purl":"pkg:pypi/langchain-experimental","ranges":["<=0.0.14"],"fixed":[]}]},{"id":"PYSEC-2023-194","url":"https://osv.dev/vulnerability/PYSEC-2023-194","summary":"","modified":"2026-06-10T17:01:55.547991642Z","packages":[{"ecosystem":"PyPI","name":"langchain-experimental","purl":"pkg:pypi/langchain-experimental","ranges":["<0.0.15"],"fixed":["0.0.15"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}