CVE-2026-9547

A vulnerability exists in libcurl where applications performing transfers via SCP:// or SFTP:// using the CURLOPT_SSH_KEYFUNCTION callback may silently accept untrusted servers. This occurs because the callback mechanism fails to reject a host key type that differs from the specific key type reco...

CVE-2026-9547

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...

CVE-2026-9547 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...

CVE-2026-12064 proto-default skips SSH verification

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

EUVD-2026-41502

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

openssh security update

7.4p1-23.0.5fips - Fix privilege escalation via scp legacy protocol when not in preserving file mode CVE-2026-35385Orabug: 39480251 7.4p1-23.0.3fips - Change Epoch from 1 to 10 - Enable fips KDF POST Orabug: 32461750 - Disable diffie-hellman-group-exchange-sha256 KEX FIPS method Orabug: 32461739...

Astra Linux – Vulnerability in libssh

A malicious SCP server can send unexpected commands that may cause the client application to override local files outside of the working directory. This could be exploited to create malicious executable or configuration files, causing the user to execute them with specific consequences. This is t...

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-2026-51756

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...

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...

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...

CVE-2026-9269: Undefined Security Weakness

The Secure Copy Content Protection and Content Locking WordPress plugin before 5.1.5 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for...

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 ...