poc-dsa-verify-CVE-2019-17596

Go の dsa.Verify を悪用する CVE-2019-17596 詳細は関連ブログ記事をご覧ください。 実行方法 Go 1.13.1 より新しいバージョンは修正済みのため、Go のバージョンを固定しやすいように Dockerfile を同梱しました。Docker build を実行するだけです: docker build . 注目すべきファイルは次の2つです: dsatest.go: dsa.Verify をパニックさせるテストケースが含まれています。 sshtest.go: 悪意のある SSH ホストキーによって crypto/ssh.Client...

CVE-2026-77703 SSH Host Key Verification Bypass in HAVELSAN's Liman Render Engine

Key exchange without entity authentication vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle AiTM. This issue affects Liman Render Engine: from 1.0 before 1.2-75...

CVE-2026-90623 andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/sshconnection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely...

EUVD-2026-77190

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/sshconnection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely...

CVE-2026-90623 andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/sshconnection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely...

CVE-2026-90623

CVE-2026-90623 affects andreashappe cochise up to version 0.4.1 . The vulnerability resides in the SSH Host Key Handler component, specifically the asyncssh.connect function in src/cochise/ssh_connection.py, and stems from improper certificate validation . A remote attacker with high complexity c...

CVE-2026-90623 andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/sshconnection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely...

PT-2026-91041

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/ssh connection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely...

CVE-2026-90623: Improper Certificate Validation

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/sshconnection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely...

GHSA-VJFW-CPMH-XWV3 Central Dogma: SSH host-key verification permanently disabled in Git mirror (SshGitMirror)

Vulnerability Central Dogma's Git mirror SSH client installs an Apache MINA SSHD ServerKeyVerifier lambda that returns true unconditionally for every outbound SSH connection used by git+ssh:// mirrors. The accompanying lines disable the knownhosts and /.ssh/config fallbacks, and a repo-wide searc...

kas Persistently Disables SSH Host Key Checking

Summarykas persistently disables SSH host key checking for the invoking user when internal SSH key setup is triggered via SSHPRIVATEKEY or SSHPRIVATEKEYFILE and no user-specific SSH configuration file exists so far.When this path is used, kas creates /.ssh/config with a global Host rule containin...

PYSEC-2026-3855 kas Persistently Disables SSH Host Key Checking

Summary kas persistently disables SSH host key checking for the invoking user when internal SSH key setup is triggered via SSHPRIVATEKEY or SSHPRIVATEKEYFILE and no user-specific SSH configuration file exists so far. When this path is used, kas creates /.ssh/config with a global Host rule...

GHSA-MV8M-V9V6-5F94 kas Persistently Disables SSH Host Key Checking

Summary kas persistently disables SSH host key checking for the invoking user when internal SSH key setup is triggered via SSHPRIVATEKEY or SSHPRIVATEKEYFILE and no user-specific SSH configuration file exists so far. When this path is used, kas creates /.ssh/config with a global Host rule...

kas Persistently Disables SSH Host Key Checking

Summary kas persistently disables SSH host key checking for the invoking user when internal SSH key setup is triggered via SSHPRIVATEKEY or SSHPRIVATEKEYFILE and no user-specific SSH configuration file exists so far. When this path is used, kas creates /.ssh/config with a global Host rule...

CVE-2026-54548

kas is a setup tool for bitbake-based projects. Prior to version 5.4 , when internal SSH key setup is triggered via SSH_PRIVATE_KEY or SSH_PRIVATE_KEY_FILE and no user-specific SSH configuration exists, the function ssh_no_host_key_check() in kas/libcmds.py creates ~/.ssh/config with a global Hos...

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,...

EUVD-2026-66560

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,...

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,...

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...