PT-2026-80571

In sshd in OpenSSH before 10.5, the restrict keyword in authorized keys was supposed to be applicable to tunnel forwarding but was not...

PT-2026-80564

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

PT-2026-80563

internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection...

PT-2026-80561

sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server...

PT-2026-80569

In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally, including operations that add tokens or use keys. This is caused by misinteraction between agent locking and the [email protected] extension...

PT-2026-80568

ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. This outcome occurs only on the client side...

PT-2026-80570

In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent...

MiracleLinux 9 : openssh-9.9p1-9.el9_8.ML.1 (AXSA:2026-1533:08)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1533:08 advisory. openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in MIRACLE LINUX OpenSSH client versions CVE-2026-55655 openssh: Double...

Oracle Linux 9 : openssh (ELSA-2026-47756)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-47756 advisory. - CVE-2026-59996: Fix remote glob result of '..' causing files to be placed in unintended parent directories when scp performs remote-to-remote copy v...

PT-2026-80566

sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service resource consumption from excessive authentication attempts because MaxAuthTries was mishandled for GSSAPIAuthentication...

PT-2026-80562

scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations...

SUSE SLED15: openssh / openssh-askpass-gnome / openssh-clients / openssh-common / etc (SUSE-SU-2026:3605-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3605-1 advisory. - Backported support for the mlkemx25519 key exchange from upstream jscPED-16473. - CVE-2026-59995: sftp:...

org.apache.sshd/sshd-core: Apache MINA SSHD: Unauthorized command execution due to improper certificate validation

A flaw was found in Apache MINA SSHD server-side. During user authentication, the server's OpenSSH user certificate validation process failed to properly check for or validate unsupported options like 'force-command' or 'verify-required' embedded within a user's certificate. This oversight could...

org.apache.sshd/sshd-core: Apache MINA SSHD: Unauthorized command execution due to improper certificate validation

A flaw was found in Apache MINA SSHD server-side. During user authentication, the server's OpenSSH user certificate validation process failed to properly check for or validate unsupported options like 'force-command' or 'verify-required' embedded within a user's certificate. This oversight could...

OESA-2026-3352 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 scp in OpenSSH before 10.4 may place a file in the...

OESA-2026-3351 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 scp in OpenSSH before 10.4 may place a file in the...

OESA-2026-3350 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 scp in OpenSSH before 10.4 may place a file in the...

OESA-2026-3349 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.CVE-2026-59995 internal-sftp in sshd in OpenSSH before 10.4...

Security update for openssh

This update for openssh fixes the following issues: Backported support for the mlkemx25519 key exchange from upstream jscPED-16473. CVE-2026-59995: sftp: location of downloaded files not properly constrained when sftp server:/path . is used with an attacker-controlled server bsc1271044...

SUSE-SU-2026:3605-1 Security update for openssh

This update for openssh fixes the following issues: - Backported support for the mlkemx25519 key exchange from upstream jscPED-16473. - CVE-2026-59995: sftp: location of downloaded files not properly constrained when sftp server:/path . is used with an attacker-controlled server bsc1271044. -...