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...

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...

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...

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...

Security Bulletin: Multiple vulnerabilities addressed in IBM SevOne Network Performance Management for August 2026

Summary IBM SevOne Network Performance Management has addressed these security vulnerabilities in the NMS component including Streaming Telemetry with a Service Pack update. The publication of this security bulletin represents a change in our communication process, not an increase in security...

USN-8799-1 libssh2 vulnerabilities

It was discovered that libssh2 incorrectly handled certain publickey subsystem attributes. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. CVE-2026-58050 It was discovered that libssh2 did not properly...

EulerOS Virtualization 2.10.0 : libssh2 (EulerOS-SA-2026-3872)

According to the versions of the libssh2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the...

EUVD-2026-80240

An unauthenticated remote attacker can exploit a path traversal vulnerability in the /index.php/viewuploadedioddfile endpoint allowing the SSH server's private keys to be read...

CVE-2026-27557 Path Traversal in /index.php/view_uploaded_iodd_file

An unauthenticated remote attacker can exploit a path traversal vulnerability in the /index.php/viewuploadedioddfile endpoint allowing the SSH server's private keys to be read...

RouterOS SSH Server Data Compromise

The vulnerability of the SSH server on the RouterOS operating system of MikroTik is related to the incorrect implementation of the sequence of actions to be performed. Exploiting this vulnerability allows a remote attacker to compromise the confidentiality, integrity, and accessibility of the...

USN-8722-1: libssh2 vulnerabilities

It was discovered that libssh2 incorrectly handled certain SFTP server responses. A remote attacker controlling an SSH server could use this issue to cause libssh2 to crash or possibly execute arbitrary code. CVE-2026-66032 It was discovered that libssh2 incorrectly handled AES-GCM cipher...

libssh2: libssh2: Information disclosure and potential arbitrary code execution via heap out-of-bounds read

A missing bounds check in the libssh2 publickey subsystem allows malicious SSH servers to trigger a client-side out-of-bounds read, leaking heap pointers that could enable security bypasses, denial of service, or code execution...

libssh2: libssh2: Arbitrary code execution via double-free in SFTP session

A flaw was found in libssh2. A malicious SSH Secure Shell server can exploit a double-free vulnerability in the sftpopen function. This flaw allows the server to corrupt the heap memory of an authenticated client when it opens an SFTP SSH File Transfer Protocol session. This heap corruption can...