curl: curl: SSH host verification bypass when using schemeless URLs with SFTP/SCP

A flaw was found in curl. When a user invokes curl with a schemeless URL and specifies SFTP SSH File Transfer Protocol or SCP Secure Copy Protocol as the default protocol, the tool layer fails to initialize critical SSH security options. This bypasses host verification, allowing curl to connect t...

curl: curl: Man-in-the-middle attack via SSH host key bypass

A flaw was found in curl. When a libcurl-based application uses SCP:// or SFTP:// for transfers and employs the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This occurs if the server's host key type differs from the one stored in the knownhosts file. The callback...

SSH improper host validation

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for th...

PT-2026-51744

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description A disconnect between the tool layer and libcurl occurs when a user invokes curl with a schemeless URL and the --proto-default option set to sftp or scp. The tool layer incorrectly infers the URL...

PT-2026-51756

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description Applications using libcurl for transfers via SCP:// or SFTP:// that utilize the CURLOPT SSH KEYFUNCTION callback may silently accept an untrusted server. This occurs when a server presents a...

Security update for openssh

This update for openssh fixes the following issues CVE-2026-3497: information disclosure or denial of service due to uninitialized variables bsc1259642. CVE-2026-35385: a file downloaded by scp may be installed setuid or setgid bsc1261427. CVE-2026-35414: mishandling of authorizedkeys principals...

SUSE SLES15 Security Update : openssh (SUSE-SU-2026:2375-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2375-1 advisory. This update for openssh fixes the following issues - CVE-2026-3497: information disclosure or denial of service due to uninitialize...

SUSE SLED15 / SLES15 Security Update : openssh (SUSE-SU-2026:2371-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2371-1 advisory. This update for openssh fixes the following issues - CVE-2026-3497: information disclosure or denial of servic...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

SUSE-SU-2026:21875-1 Security update for openssh

This update for openssh fixes the following issues - CVE-2026-35385: a file downloaded by scp may be installed setuid or setgid bsc1261427. - CVE-2026-35414: mishandling of authorizedkeys principals option bsc1261430. Changes for openssh: - Fix a potential issue when validating mac bsc1264568:...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-net: A overflow occurred within the virtnetrqalloc function. When a fragment receives only one page, it may lead to regressions in the virtual machine. This issue is particularly significant if the sysctl...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

libssh: Improper sanitation of paths received from SCP servers

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...

Path Traversal

github.com/charmbracelet/wish is vulnerable to Path Traversal. The vulnerability is due to improper validation of SCP filenames containing traversal sequences, which allows an attacker to read, write, or create files and directories outside the configured root directory...

SUSE-SU-2026:21634-1 Security update for openssh

This update for openssh fixes the following issues - CVE-2026-35385: a file downloaded by scp may be installed setuid or setgid bsc1261427. - CVE-2026-35414: mishandling of authorizedkeys principals option bsc1261430...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...