Security Bulletin: Multiple vulnerabilities impact AIX due to CURL libcurl (CVE-2026-10536, CVE-2026-11856, CVE-2026-8286, CVE-2026-8458, CVE-2026-8924, CVE-2026-8927, CVE-2026-8932, CVE-2026-9547).

Summary Multiple vulnerabilities in the curl/libcurl are related to use-after-free, reusing an invalid connection, bypass Public Suffix List checks, improper host key validation and invalid authorization. Vulnerability Details CVEID:CVE-2026-10536 DESCRIPTION: A use-after-free vulnerability exist...

OESA-2026-2985 curl security update

cURL is a computer software project providing a library libcurl and command-line tool curl for transferring data using various protocols. Security Fixes: A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though th...

Key Exchange without Entity Authentication

Overview Affected versions of this package are vulnerable to Key Exchange without Entity Authentication through contrib/paramikovendor.py in the SSH connection path. An attacker can intercept or impersonate an SSH server and have the client connect without validating the server’s host key by...

CVE-2026-9547 SSH improper host validation

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for th...

CVE-2026-9547 SSH improper host validation

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for th...

CVE-2026-44467

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in /.ssh/knownhosts without comparing the server's...

openssh security update

8.0p1-29.0.1 - Update upstream references Orabug: 36587718 8.0p1-29 - CVE-2026-35385: Fix privilege escalation via scp legacy protocol when not in preserving file mode Resolves: RHEL-164743 - CVE-2026-35388: Add connection multiplexing confirmation for proxy-mode multiplexing sessions Resolves:...

CVE-2025-13914 Apstra: SSH host key validation vulnerability for managed devices

A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to impersonate managed devices. Due to insufficient SSH host key validation an attacker can perform a machine-in-the-middle attack on the SSH...

CVE-2025-13914 Apstra: SSH host key validation vulnerability for managed devices

A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to impersonate managed devices. Due to insufficient SSH host key validation an attacker can perform a machine-in-the-middle attack on the SSH...

CVE-2025-13914

CVE-2025-13914 concerns Juniper Networks Apstra SSH host key validation, described as a Key Exchange without Entity Authentication vulnerability. The issue enables an unauthenticated attacker to perform a man-in-the-middle attack on SSH connections from Apstra to managed devices, allowing imperso...

CVE-2025-13914

A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to impersonate managed devices. Due to insufficient SSH host key validation an attacker can perform a machine-in-the-middle attack on the SSH...

PT-2026-31796

Name of the Vulnerable Software and Affected Versions Juniper Networks Apstra versions prior to 6.1.1 Description A Key Exchange without Entity Authentication issue exists in the SSH implementation of Juniper Networks Apstra. This allows an unauthenticated, man-in-the-middle MITM attacker to...

CVE-2025-20163

A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller NDFC could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices. This vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by...

CVE-2025-20163

A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller NDFC could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices. This vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by...

CVE-2025-20163

Cisco Nexus Dashboard Fabric Controller (NDFC) is affected by an SSH host key validation issue that enables unauthenticated, remote MITM-style impersonation of NDFC-managed devices, potentially allowing credential interception. Root cause: insufficient SSH host key validation in NDFC’s SSH implem...

CVE-2020-2185

Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks...

Man-in-the-Middle (MITM)

Salt vulnerable to Man-in-the-Middle MITM. The vulnerability is due to the absence of SSH host key validation in the default configuration of salt-ssh, which can be exploited by attackers to carry out man-in-the-middle attacks...

Jenkins Oracle Cloud Infrastructure Compute Plugin missing SSH host key validation

Jenkins Oracle Cloud Infrastructure Compute Plugin 1.0.16 and earlier does not perform SSH host key validation when connecting to OCI clouds. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections to OCI clouds. Oracle Cloud Infrastructure Compute...

GHSA-J54R-W587-95Q7 Jenkins Oracle Cloud Infrastructure Compute Plugin missing SSH host key validation

Jenkins Oracle Cloud Infrastructure Compute Plugin 1.0.16 and earlier does not perform SSH host key validation when connecting to OCI clouds. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections to OCI clouds. Oracle Cloud Infrastructure Compute...

PT-2023-26195 · Oracle +1 · Jenkins Oracle Cloud Infrastructure Compute Classic Plugin +1

Name of the Vulnerable Software and Affected Versions: Jenkins Oracle Cloud Infrastructure Compute Plugin versions 1.0.16 and earlier Description: The issue concerns the lack of SSH host key validation when connecting to OCI clouds, which could enable man-in-the-middle attacks. This allows for th...