CURL-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...

CURL-CVE-2026-12064 proto-default skips SSH verification

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

proto-default skips SSH verification

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

PT-2026-51792

Name of the Vulnerable Software and Affected Versions Jenkins Git client Plugin versions prior to 6.6.1 Description An issue exists where the workspace directory name is not correctly escaped when embedded into a generated SSH wrapper script. This allows attackers who can control the name of a...

PT-2026-51756

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description Applications using libcurl for transfers via SCP:// or SFTP:// that utilize the CURLOPT SSH KEYFUNCTION callback may silently accept an untrusted server. This occurs when a server presents a...

Important: buildah security update

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a...

RHEL 9 : buildah (RHSA-2026:29455)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:29455 advisory. The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a...

CVE-2026-55200

An out-of-bounds write vulnerability exists in the libssh2 client. A remote attacker can exploit this by sending a specially crafted SSH packet with an abnormally large length value. This corrupts the application's memory and can potentially allow the attacker to execute arbitrary code on the...

CVE-2026-11807

CVE-2026-11807 affects Event-Driven Ansible (EDA) websocket API. The /api/eda/ws/ansible-rulebook endpoint fails to verify permissions when processing Worker messages, permitting any authenticated user to forge a message with an arbitrary activation_id and access plaintext credentials tied to tha...

GHSA-XP79-5MX3-JX52 Gogs has Unauthenticated Asymmetric Denial of Service (DoS) via SSH Handshake Stall (File Descriptor Exhaustion)

The Gogs built-in Go SSH server is vulnerable to an unauthenticated, asymmetric Denial of Service DoS attack. The application accepts inbound TCP connections and passes them to golang.org/x/crypto/ssh.NewServerConn inside a new goroutine without enforcing any read/write deadlines on the underlyin...

GHSA-89MR-XQFV-758M Gogs: UploadRepoFiles writes outside repo working tree via committed parent sym

Summary Repository.UploadRepoFiles checks for symlinks only on the leaf of the upload target osx.IsSymlinktargetPath. The siblings UpdateRepoFile, DeleteRepoFile, and GetDiffPreview use hasSymlinkInPath, which lstats every component — UploadRepoFiles is the lone outlier. An attacker with repo-wri...

EUVD-2026-38436

Nuxt 4.0.0 before 4.4.7 and 3.18.0 before 3.21.7, when running the development server nuxt dev on Linux, binds the vite-node IPC server to an abstract-namespace Unix socket without permission restrictions, allowing local users to enumerate and connect. Unprivileged co-resident users can exploit t...

EUVD-2026-38414

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-55654

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-55654 Openssh: heap out-of-bounds read in red hat enterprise linux versions of openssh gssapi indicator cleanup due to missing null sentinel termination

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-55655

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

PT-2026-51473

Name of the Vulnerable Software and Affected Versions OpenSSH affected versions not specified Description A flaw in OpenSSH allows a local unprivileged attacker on a Linux client host to hijack client-side X11 forwarding connections. This occurs when X11 forwarding is enabled and a local...

OPENSUSE-SU-2026:11109-1 libssh2-1-1.11.1-3.1 on GA media

These are all security issues fixed in the libssh2-1-1.11.1-3.1 package on the GA media of openSUSE Tumbleweed...

PT-2026-51471

Name of the Vulnerable Software and Affected Versions OpenSSH affected versions not specified Description A double free flaw exists in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client...

CVE-2026-54100

A flaw was found in the Windows Machine Config Operator WMCO for Red Hat OpenShift Container Platform. WMCO establishes SSH connections to Windows worker nodes without verifying the remote server host key. An adjacent-network attacker who can intercept or redirect WMCO's SSH session can capture...