AZL-87768 CVE-2026-39835 affecting package gh for versions less than 2.62.0-17

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...

AZL-87308 CVE-2026-39835 affecting package podman 5.6.1-10

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...

AZL-87191 CVE-2026-39835 affecting package buildah 1.43.1-3

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...

AZL-87930 CVE-2026-39827 affecting package kubernetes for versions less than 1.30.10-25

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

AZL-88320 CVE-2026-39827 affecting package telegraf for versions less than 1.31.0-23

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

UBUNTU-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

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

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 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-2026-39828: 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...

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-2026-46595: 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...

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...

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...

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,...