pypi package report

Is blacksheep safe?

blacksheep (pypi) has 1 known vulnerability, the worst rated MODERATE. Upgrade to 2.4.6 or later to clear it. No malicious-package signal is recorded.

// reach

15 direct dependencies

7 carry known advisories, worst CRITICAL

0 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

6.3

medium

CVSS v4.0 base score out of 10

epss

0.37%

low

chance of exploitation in 30 days, 31st percentile of all CVEs

xyz score

not scored

CyberXYZ composite out of 10

fig. 01 — GHSA-6pw3-h7xf-x4gp, the advisory selected below

// 1 advisories

GHSA-6pw3-h7xf-x4gp

MODERATEGitHub ratingCVE-2026-22779

The HTTP Client implementation in BlackSheep is vulnerable to CRLF injection.

Full advisory text at GitHub advisory or NVD.

// cvss v4.0 vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Attack vector: Network
Attack complexity: Low
Attack requirements: Present
Privileges required: None
User interaction: None
Confidentiality (vulnerable system): None
Integrity (vulnerable system): None
Availability (vulnerable system): None
Confidentiality (subsequent systems): Low
Integrity (subsequent systems): Low
Availability (subsequent systems): None

// questions

Is blacksheep safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for blacksheep (pypi), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does blacksheep have known vulnerabilities?

Yes. CyberXYZ records 1 known vulnerability for blacksheep (pypi), the worst rated MODERATE. They are GHSA-6pw3-h7xf-x4gp.

Which version of blacksheep should I use?

2.4.6 or later clears every advisory recorded for blacksheep (pypi). Check the release you pick before installing it.

How do I check blacksheep before installing?

Search blacksheep in CyberXYZ Check at https://cyberxyz.io/check?q=blacksheep. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 11:00 UTC. The most recent advisory here was published 2026-01-14. Updated continuously from NVD, GHSA, OSV and CNA feeds.