PT-2026-29805

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.3 Description When using the -O option with the legacy scp protocol as root without the -p option, a downloaded file may be installed with setuid or setgid permissions, which may not align with user expectations...

PT-2026-29834

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.3 Description OpenSSH versions before 10.3 incorrectly handle ECDSA algorithms. Specifically, the software misinterprets the listing of any ECDSA algorithm in the PubkeyAcceptedAlgorithms or...

CVE-2026-35385: Improper Preservation of Permissions

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode...

CVE-2026-35386: Incorrect Behavior Order

In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default configurations of % in sshconfig...

OpenSSH 安全漏洞

OpenSSH OpenBSD Secure Shell is a set of open-source tools developed by OpenBSD in Canada for secure access to remote computers. This tool is an open-source implementation of the SSH protocol, supporting encryption of all transmissions. It effectively prevents eavesdropping, connection hijacking,...

ALSA-2026:6461 Important: 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 GSSAPI: Information disclosure or denial of service due to uninitialized...

Exploit for Race Condition in Sonicwall Sma_6200_Firmware

🚨 OpenSSH regreSSHion CVE-2024-6387 & CVE-2024-6409 Una exp...

Security Bulletin: Vulnerabilities in openssh library (CVE-2025-61984, CVE-2025-61985) affect Power HMC.

Summary The openssh library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2025-61984 DESCRIPTION: ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources,...

CentOS 9 : openssh-9.9p1-7.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the openssh-9.9p1-7.el9 build changelog. - Fix information disclosure or denial of service due to uninitialized variables in gssapi-keyex CVE-2026-3497 Note that Nessus has not tested for...

NewStart CGSL MAIN 7.02 : openssh Multiple Vulnerabilities (NS-SA-2026-0036)

The remote NewStart CGSL host, running version MAIN 7.02, has openssh packages installed that are affected by multiple vulnerabilities: - ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used. CVE-2025-61985 - ssh ...

EUVD-2026-16326

A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue...

CLSA-2026-1774528630 openssh: Fix of 3 CVEs

CVE-2018-20685: fix a vulnerability scp client where a malicious server could bypass intended access restrictions and modify target directory permissions via crafted filenames - CVE-2019-6109: fix scp client where a malicious server could manipulate the client's progress display output due to...

Exploit for Race Condition in Openbsd Openssh

CVE-2018-15473 — SSH Username Enumeration Tool A Python 3 r...

Moderate Photon OS Security Update - PHSA-2026-4.0-0985

Updates of 'openssh' packages of Photon OS have been released...

CLSA-2026-1774369958 openssh: Fix of CVE-2026-3497

CVE-2026-3497: replace incorrect use of sshpktdisconnect with sshpacketdisconnect and properly initialize variables...

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...

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 GSSAPI: Information disclosure or denial of service due to uninitialized variables

A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...

Fedora: Security Advisory (FEDORA-2026-39819a3d62)

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...

CentOS 9 : openssh-9.9p1-5.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the openssh-9.9p1-5.el9 build changelog. - Fix information disclosure or denial of service due to uninitialized variables in gssapi-keyex CVE-2026-3497 Note that Nessus has not tested for...