BIT-PYTHON-2026-8328 FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address

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 getpeername0, ftpcp still calls parse227 directly and passes the raw attacker-controllable IP address and port t...

BIT-LIBPYTHON-2026-8328 FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address

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 getpeername0, ftpcp still calls parse227 directly and passes the raw attacker-controllable IP address and port t...

Astra Linux - уязвимость в libcommons-net-java

Prior to Apache Commons Net 3.9.0, Net’s FTP client trusted the host based on the PASV response by default. A malicious server could redirect the Commons Net code to use a different host, but the user had to connect to the malicious server in the first place. This could result in the leakage of...

FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address

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OESA-2026-2323 gvfs security update

Gvfs is a userspace virtual filesystem implementation for GIO a library available in GLib. It comes with a set of backends, including trash support, SFTP, SMB, HTTP, DAV, and many others. Gvfs also contains modules for GIO that implement volume monitors and persistent metadata storage. Security...

OESA-2026-2322 gvfs security update

Gvfs is a userspace virtual filesystem implementation for GIO a library available in GLib. It comes with a set of backends, including trash support, SFTP, SMB, HTTP, DAV, and many others. Gvfs also contains modules for GIO that implement volume monitors and persistent metadata storage. Security...

Linux Distros Unpatched Vulnerability : CVE-2026-8328

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-8328

The connected documents identify CVE-2026-8328 as a Python Lib/ftplib.py issue: ftpcp() was not updated when CVE-2021-4189 was fixed. While makepasv() now replaces server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse227() directly and forw...

CVE-2026-8328 FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address

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 getpeername0, ftpcp still calls parse227 directly and passes the raw attacker-controllable IP address and port t...

CVE-2026-34956

CVE-2026-34956 affects Open vSwitch: the vulnerability is in the userspace conntrack FTP ALG handler where a crafted FTP payload (EPASV/FTP substrings) can trigger an invalid memory access due to type narrowing when copying FTP substrings. This memory access can crash the process, causing Denial ...

Astra Linux - уязвимость в python2.7, python3.7

A flaw was discovered in Python, specifically in the FTP File Transfer Protocol client library when operating in PASV passive mode. The issue arises from how the FTP client defaults to trusting the host based on the PASV response. This flaw allows an attacker to create a malicious FTP server that...

Astra Linux - уязвимость в curl

A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port. In this way, the malicious server can potentially enable curl to extract information about services that would otherwise be private and undisclosed. This could...

Amazon Linux 2023 : gvfs, gvfs-archive, gvfs-client (ALAS2023-2026-1475)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1475 advisory. A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mode PASV response. The client...

Ubuntu: Security Advisory (USN-8114-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-8114-1 gvfs vulnerabilities

It was discovered that the GVfs FTP backend incorrectly handled IP addresses and ports returned by passive mode responses. A malicious remote server could possibly use this issue to help scan for open ports. CVE-2026-28295 It was discovered that the GVfs FTP backend incorrectly handled crafted fi...

USN-8114-1: GVfs vulnerabilities

It was discovered that the GVfs FTP backend incorrectly handled IP addresses and ports returned by passive mode responses. A malicious remote server could possibly use this issue to help scan for open ports. CVE-2026-28295 It was discovered that the GVfs FTP backend incorrectly handled crafted fi...

SUSE-SU-2026:0960-1 Security update for gvfs

This update for gvfs fixes the following issues: - CVE-2026-28295: information disclosure when processing untrusted PASV responses from FTP servers bsc1258953. - CVE-2026-28296: arbitrary FTP command injection due to unsanitized CRLF sequences in user supplied file paths bsc1258954...

Medium: gvfs

Issue Overview: A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mode PASV response. The client unconditionally trusts this information and attempts to connect to the specified endpoint,...

Linux Distros Unpatched Vulnerability : CVE-2026-28295

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mod...

SUSE CVE-2026-28295

A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mode PASV response. The client unconditionally trusts this information and attempts to connect to the specified endpoint, allowing the...