CVE-2026-39828

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

CVE-2026-39828 Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

CVE-2026-39828 Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

CVE-2026-39835 Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

CVE-2026-39835

The golang.org/x/crypto/ssh package is vulnerable to a Denial of Service (DoS) attack via a server panic. If an SSH server uses CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority , a client presenting a certificate can trigger a panic because the callbacks are...

CVE-2026-39828

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

PT-2026-42707

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An issue exists where an SSH server authentication callback returning PartialSuccessError with non-nil Permissions caused those permissions to be silently...

PT-2026-42714

Name of the Vulnerable Software and Affected Versions SSH servers affected versions not specified Description SSH servers using CertChecker as a public key callback may experience a panic when a client presents a certificate if IsUserAuthority or IsHostAuthority are not set. A panic is a critical...

CVE-2026-39835: Improper Certificate Validation

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

PT-2026-42716

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An authorization bypass exists in certain SSH server configurations. The issue occurs when a callback other than a public key is used, causing the source-address...

CVE-2026-46595: Incorrect Authorization

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped...

CVE-2026-39828: Improper Certificate Validation

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

Electerm Security Vulnerability: RCE via malicious SSH server filename in openFileWithEditor

Impact A code execution RCE vulnerability exists in electerm's SFTP open with system editor or "Edit with custom editor" feature. When a user opts to edit a file using open with system editor or open with a custom editor, the filename is passed directly into a command line without sanitization. A...

CVE-2026-43943

The CVE applies to electerm prior to version 3.7.9, where the SFTP open with system editor or Edit with custom editor feature passes the filename directly into a shell command without sanitization. A malicious SSH server or compromised OS can craft a filename containing shell metacharacters; when...

CVE-2026-41589

Wish is an SSH server with defaults and a collection of middlewares. From version 2.0.0 to before version 2.0.1, the SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A malicious SCP client can read arbitrary files from the server, write arbitrary files to the server,...

CVE-2026-41589

Wish is an SSH server with defaults and a collection of middlewares. From version 2.0.0 to before version 2.0.1, the SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A malicious SCP client can read arbitrary files from the server, write arbitrary files to the server,...

Cisco IOS XE Software Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco IOS XE Software due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds, after whi...

PT-2026-36652

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The built-in SSH server uses default configurations that advertise weak or broken key exchange, MAC, and host key algorithms. Specifically, the server supports the ecdh-sha2-nistp256,...

PT-2026-56049

Уязвимость SSH-сервера системы управления Git-репозиториями Gitea связана с использованием криптографических алгоритмов, содержащих дефекты. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, оказать воздействие на конфиденциальность и целостность защищаемой информации...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via unbounded memory consumption in GSSAPI authentication

A flaw was found in golang.org/x/crypto/ssh. An attacker can exploit this vulnerability by sending specially crafted GSSAPI Generic Security Service Application Program Interface authentication requests to an SSH Secure Shell server. The server fails to validate the number of mechanisms specified...