pypi package report

Is pyopenssl safe?

5 known vulnerabilities, worst severity HIGH.

cvss
8.1

how bad it is if exploited, out of 10

epss
0.70%

chance of exploitation in the next 30 days

xyz score
4.6

CyberXYZ composite, out of 10

fig. 01 — GHSA-5pwr-322w-8jr4, the advisory selected below

// advisories

GHSA-5pwr-322w-8jr4

HIGHCVE-2026-27459

If a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer.

Affected
>= 22.0.0, < 26.0.0
Fixed in
26.0.0
Weakness
CWE-120
Published
2026-03-16
Source
github

GHSANVDMITREreferencereferencereference


// dependencies

7 direct, 2 carrying known advisories, worst HIGH

Sign in for dependency paths and remediation

// ai model usage

No published models are known to use this package.


Checked 2026-09-22 at 00:42 UTC. The most recent advisory here was published 2026-03-16. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is pyopenssl safe? pypi package security report | CyberXYZ