pypi package report

Is clickhouse-driver safe?

1 known vulnerability, worst severity CRITICAL.

// reach

8 direct dependencies

3 carry known advisories, worst CRITICAL

15 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

2.7%

medium

chance of exploitation in 30 days, 86th percentile of all CVEs

xyz score

5.0

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-vgv5-cxvh-vfxh, the advisory selected below

// 1 advisories

GHSA-vgv5-cxvh-vfxh

CRITICALGitHub ratingCVE-2020-26759

clickhouse-driver before 0.1.5 allows a malicious clickhouse server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, due to a buffer overflow.

// 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 21:55 UTC. The most recent advisory here was published 2021-04-07. Updated continuously from NVD, GHSA, OSV and CNA feeds.