{"id":"CVE-2023-36188","aliases":["GHSA-57fc-8q82-gfp3","PYSEC-2023-109"],"url":"https://o3.security/vulnerability/CVE-2023-36188","summary":"langchain vulnerable to arbitrary code execution","details":"An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.","published":"2023-07-06T00:00:00Z","modified":"2026-08-07T11:31:32.829897361Z","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":1,"affectedPackages":[{"ecosystem":"PyPI","name":"langchain","fixedVersion":"0.0.247"}],"fix":{"url":"https://github.com/hwchase17/langchain/pull/6003","label":"hwchase17/langchain#6003"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36188.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36188"},{"type":"REPORT","url":"https://github.com/hwchase17/langchain/issues/5872"},{"type":"FIX","url":"https://github.com/hwchase17/langchain/pull/6003"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:32.829897361Z"}}