CLEANSTART-2026-FO00940 When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as fo...

CVE-2026-39828 affects multiple packages. 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. See reference...

CVE-2026-103059: Authentication Bypass by Primary Weakness

When Gitea's built-in SSH server is enabled STARTSSHSERVER = true, the presented public key was looked up with an SQL LIKE comparison of its encoded content, which is case-insensitive on some databases, including the default SQLite. An attacker who can construct a case variant of another user's...

PT-2026-107169

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description When the built-in SSH server is enabled via the START SSH SERVER variable, the system performs a lookup of the presented public key using an SQL LIKE comparison of its encoded content. Because...

CLEANSTART-2026-OZ83684 SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption

Security vulnerability affects the consul package. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption...

CLEANSTART-2026-MP17411 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 wou...

Security vulnerability affects the consul package. 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...

CLEANSTART-2026-DB21450 When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as fo...

Security vulnerability affects the consul package. 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...

CLEANSTART-2026-GM89854 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

Security vulnerability affects the kube-state-metrics-fips package. 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...

CLEANSTART-2026-WD31763 When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as fo...

Security vulnerability affects the kube-state-metrics-fips package. 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 facto...

EUVD-2026-89205

russh: negotiating a MAC-requiring block cipher CTR/CBC with mac=none causes a slice-index-out-of-range panic...

CLEANSTART-2026-OV85414 When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as fo...

Security vulnerability affects the containerd package. 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...

CentOS Linux 6 [TuxCare] Security Update: libssh2 / libssh2-devel / libssh2-docs (CENTOS6:CLSA-2026:1787063936)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1787063936 advisory. - libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a...

AlmaLinux 9.2 [TuxCare] Security Update: podman / podman-docker / podman-gvproxy / podman-plugins / etc (ALMALINUX9.2:CLSA-2026:1786960012)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786960012 advisory. - SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a...

Exploit for Missing Authentication for Critical Function in Erlang Erlang\/Otp

Reproduce-CVE-2025-32433 Reproduction, analysis, and patch st...

Erlang/OTP 27.3.2 SSH Remote Code Execution

Erlang/OTP SSH server versions prior to patched releases 27.3.3, 26.2.5.11, and 25.3.2.20 contain an SSH protocol message-handling flaw that can allow unauthenticated remote code execution. This submission provides vulnerability background and patch-analysis notes...

CLEANSTART-2026-OJ26404 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 wou...

Security vulnerability affects the loki package. 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...

CLEANSTART-2026-CG56781 When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as fo...

Security vulnerability affects the loki package. 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...

CLEANSTART-2026-BI76349 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

Security vulnerability affects the loki package. 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...

Go x/crypto v0.51.0 SSH Authorization Bypass

Go golang.org/x/crypto versions before v0.52.0 contain an authorization bypass in certain SSH server configurations. This proof of concept creates a reachable SSH server path for vulnerability-scanner testing...

EUVD-2026-86157

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. From 1.8.0 until 2.5.1, authenticated Termix users can access the server-stats API without per-host authorization. GET /status returns statuses for hosts the requester cannot access, GET...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: git-lfs (UTSA-2026-124497)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124497 advisory. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory...