CVE-2026-3497

Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The usage of sshpktdisconnect on an error, which does not terminate the...

NewStart CGSL MAIN 6.06 (SP) : openssh Multiple Vulnerabilities (NS-SA-2026-0001)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has openssh packages installed that are affected by multiple vulnerabilities: - In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an...

OpenSSH security update (CVE-2025-61985)

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used...

UBUNTU-CVE-2026-0964

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...

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...

Moderate: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

MiracleLinux 4 : openssh-5.3p1-122.AXS4 (AXSA:2017-1374:01)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2017-1374:01 advisory. SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure...

RHSA-2026:0693 Red Hat Security Advisory: openssh security update

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MiracleLinux 7 : openssh-6.6.1p1-23.el7 (AXSA:2016-037:01)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2016-037:01 advisory. SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide...

RHEL 9 : openssh (RHSA-2026:0693)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0693 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

EulerOS 2.0 SP10 : openssh (EulerOS-SA-2026-1054)

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 the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is...

MiracleLinux 7 : openssh-7.4p1-23.0.3.0.1.el7.AXS7 (AXSA:2025-9844:01)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-9844:01 advisory. CVE-2025-26465: fix vulnerability in OpenSSH when the VerifyHostKeyDNS option is enabled CVEs: CVE-2025-26465 A vulnerability was found in OpenSSH when the...

CLSA-2026-1767955216 openssh: Fix of 2 CVEs

CVE-2025-61984: fix username handling by rejecting control characters from untrusted sources to prevent ProxyCommand code execution - CVE-2025-61985: disallowed NUL characters in ssh:// URI parsing to prevent ProxyCommand-based code execution...

CLSA-2026-1767627264 openssh: Fix of CVE-2025-61985

CVE-2025-61985: potential code execution using the ‘\0’ character in an ssh:// URI, when a ProxyCommand is used...

RHEL 8 : openssh (RHSA-2025:23481)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23481 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

ALSA-2025:23481 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...

Oracle Linux 10 : ELSA-2025-20126-0: / openssh (ELSA-2025-201260)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-201260 advisory. - CVE-2025-32728: Fix logic error in DisableForwarding option Resolves: RHEL-86819 Tenable has extracted the preceding description block directly from the...

Siemens SIMATIC S7-1500 Expected Behavior Violation (CVE-2025-32728)

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 Improper Neutralization of Special Elements used in an OS Command (CVE-2020-15778)

scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of anomalous argument transfers because that could stand a great...