pypi package report

Is numexpr safe?

1 known vulnerability, worst severity CRITICAL.

// reach

1 direct dependencies

1 carry known advisories, worst CRITICAL

numpyCRITICAL

37 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

No published models are known to use this package.

cvss

9.8

critical

CVSS v3.1 base score out of 10

epss

1.6%

medium

chance of exploitation in 30 days, 76th percentile of all CVEs

xyz score

5.0

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-f73w-4m7g-ch9x, the advisory selected below

// 1 advisories

GHSA-f73w-4m7g-ch9x

CRITICALGitHub ratingCVE-2023-39631

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.

Patches: Released in v.0.0.308. numexpr dependency is optional for langchain.

// cvss v3.1 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Checked 2026-11-06 at 23:20 UTC. The most recent advisory here was published 2023-09-01. Updated continuously from NVD, GHSA, OSV and CNA feeds.