CVE-2023-0509 — Improper Certificate Validation in GitHub repository pyload/pyload prior to 0

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
pyload	pyload/pyload	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-01-26T00:00:00.000Z
• Last modified: 2025-03-31T16:45:30.444Z

09References

• huntr.dev — https://huntr.dev/bounties/a370e0c2-a41c-4871-ad91-bc6f31a8e839
• github.com — https://github.com/pyload/pyload/commit/a9098bdf7406e6faf9df3da6ff2d584e90c13bbb