cve.bz

CVE-2023-39631

9.8 criticalEPSS 1.6%

Critical (9.8) in langchain langchain. EPSS 1.6% chance of exploitation in the next 30 days. Fixed in langchain 0.0.308.

An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function in the numexpr library.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE
CWE-94
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-f73w-4m7g-ch9xPyPIlangchain<0.0.3080.0.308
GHSA-f73w-4m7g-ch9xPyPInumexpr<2.8.52.8.5
PYSEC-2023-162PyPIlangchain<0.0.3080.0.308
PYSEC-2023-163PyPInumexpr<2.8.52.8.5

References

Check your stackJSON