CVE-2026-45695 Kopia: Unauthenticated RCE via SSH ProxyCommand Injection when --insecure --without-password is used

Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists a...

CVE-2026-45695

Kopia prior to version 0.23.0 is vulnerable to unauthenticated remote command execution via SSH ProxyCommand Injection when the HTTP server runs with --without-password. An attacker can send requests to /api/v1/repo/exists, causing the server to forward attacker-supplied SFTP storage configuratio...

RockyLinux 10 : openssh (RLSA-2025:23479)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23479 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

RockyLinux 9 : openssh (RLSA-2025:23480)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23480 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

RLSA-2025:23479 Moderate: openssh security update

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fixes: openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand...

openssh security update

An update is available for openssh. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux,...

openssh security update

An update is available for openssh. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux, UNI...

Cockpit 359 - RCE

Exploit Title: Cockpit 359 - RCE Date: 18-04-2026 Exploit Author: @intx0x80 Vendor Homepage: https://cockpit-project.org/ Software Link: https://github.com/cockpit-project/cockpit Version: 327-359 Tested on: Debain CVE : CVE-2026-4631 import base64 import argparse import requests import urllib3...

GO-2026-5009 Kopia: RCE via SSH ProxyCommand Injection in github.com/kopia/kopia

Kopia: RCE via SSH ProxyCommand Injection in github.com/kopia/kopia...

Astra Linux – Vulnerability in libssh

A flaw was discovered in libssh. By using the ProxyCommand or ProxyJump feature, users can exploit unvalidated hostname syntax on the client side. This issue may allow an attacker to inject malicious code into the commands related to these features via the hostname parameter...

Debian dla-4584 : openssh-client - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4584 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4584-1 [email protected]...

Security Bulletin: Vulnerabilities in OpenSSH affects IBM Netezza Appliance

Summary The OpenSSH package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2025-61984, CVE-2025-61985 Vulnerability Details CVEID:CVE-2025-61984 DESCRIPTION: ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certa...

openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand

A flaw was found in OpenSSH where the SSH client accepted \0 null characters in ssh:// URIs. When a ProxyCommand is configured, these characters could alter how the command is parsed, potentially leading to code execution depending on how the proxy is set up...

openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand

A flaw was found in OpenSSH where control characters in usernames were not properly validated when sourced from untrusted inputs like the command line or configuration expansion. If a ProxyCommand is used, these control characters could modify command behavior, potentially leading to code executi...

Mageia: Security Advisory (MGASA-2026-0059)

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...

Updated openssh packages fix security vulnerabilities

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. CVE-2025-61984...

Unity Linux 20.1070a Security Update: openssh (UTSA-2026-006246)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006246 advisory. ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used. Tenable has extracted the...

EulerOS Virtualization 2.12.1 : openssh (EulerOS-SA-2026-1449)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand i...

Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2026-1586)

The remote host is missing an update for the Huawei EulerOS 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...

EulerOS 2.0 SP11 : openssh (EulerOS-SA-2026-1586)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to...