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Vulnerability record · CVE-2023-0509 · published 26 January 2023

CVE-2023-0509: Pyload improper certificate validation vulnerability

Pyload · Pyload

Improper Certificate Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev44.

7.4 CVSS 3.1 High EPSS 0.53% · top 57.5% CWE-295 · Improper certificate validation
7.4CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Improper Certificate Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev44.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2023-0509 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-0509), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.