CVE-2026-54548 kas: Persistent SSH Host Key Checking Disablement

kas is a setup tool for bitbake based projects. Prior to 5.4, internal SSH key setup triggered by SSHPRIVATEKEY or SSHPRIVATEKEYFILE creates /.ssh/config when no user-specific SSH configuration exists and adds a global Host rule containing StrictHostKeyChecking no. In kas/libcmds.py,...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: openssh (UTSA-2026-104822)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104822 advisory. 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. Tenab...

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...

Oracle Linux 9 : curl (ELSA-2026-55439)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55439 advisory. - fix HTTP Negotiate connection reuse auth bypass CVE-2026-1965 - fix OAuth2 bearer token leak via redirect and netrc CVE-2026-3783 - fix SSH host key...

RLSA-2026:55439 Important: curl security update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: curl: Authentication bypass due to incorrect connection reuse with Negotiate authentication CVE-2026-1965 curl: curl:...

Important: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

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...

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...

Important: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Important: curl security update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: curl: Authentication bypass due to incorrect connection reuse with Negotiate authentication CVE-2026-1965 curl: curl:...

The vulnerability of the FFM-based application server Apache Tomcat allows a attacker to cause a service failure.

The vulnerability of FFM-based application server Apache Tomcat connections is related to deficiencies in error handling when checking host keys. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

RockyLinux 9 : curl (RLSA-2026:55439)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:55439 advisory. curl: curl: Authentication bypass due to incorrect connection reuse with Negotiate authentication CVE-2026-1965 curl: curl: Information disclosure via...

ALSA-2026:55439 Important: curl security update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: curl: Authentication bypass due to incorrect connection reuse with Negotiate authentication CVE-2026-1965 curl: curl:...

AWS CLI: Disabled SSH host key verification in Amazon AWS CLI EMR helper commands

SummaryThe AWS Command Line Interface AWS CLI is a unified tool to manage AWS services from the command line. An issue exists where the EMR SSH helper commands aws emr ssh, aws emr socks, aws emr put, aws emr get passed StrictHostKeyChecking=no to the underlying SSH client, disabling host key...

JLSEC-2026-1222 When a libcurl-based application performs transfers via `SCP://` or `SFTP://` and utilizes the ...

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...

GHSA-HQVF-45JJ-MCCQ AWS CLI: Disabled SSH host key verification in Amazon AWS CLI EMR helper commands

Summary The AWS Command Line Interface AWS CLI is a unified tool to manage AWS services from the command line. An issue exists where the EMR SSH helper commands aws emr ssh, aws emr socks, aws emr put, aws emr get passed StrictHostKeyChecking=no to the underlying SSH client, disabling host key...

AWS CLI: Disabled SSH host key verification in Amazon AWS CLI EMR helper commands

Summary The AWS Command Line Interface AWS CLI is a unified tool to manage AWS services from the command line. An issue exists where the EMR SSH helper commands aws emr ssh, aws emr socks, aws emr put, aws emr get passed StrictHostKeyChecking=no to the underlying SSH client, disabling host key...

EUVD-2026-53615

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.0, the shared HTTP CONNECT helper in lib/proxy/http.go parses proxy CONNECT responses with http.ReadResponse over an unrestricted buffered reader, allowing a malicious or...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-2031)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2031 advisory. A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie- Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Informatio...

Key Exchange without Entity Authentication

Overview Affected versions of this package are vulnerable to Key Exchange without Entity Authentication due to disabled SSH host key verification in the EMR SSH helper commands. An attacker can intercept SSH sessions and file transfers by performing a man-in-the-middle attack between the client a...