CVE-2026-8328EPSS p50.9%

CVE-2026-8328CVE-2026-8328

Description

The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse227() directly and passes the raw attacker-controllable IP address and port to target.sendport(). This patch is related to CVE-2021-4189.

Scoring

EPSS0.68% probability of exploitation · percentile 50.9% · 2026-10-05T12:00:23Z
Last modified2026-08-13

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.