PYSEC-2026-1758 Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

Summary Terrapin is a prefix truncation attack targeting the SSH protocol. More precisely, Terrapin breaks the integrity of SSH's secure channel. By carefully adjusting the sequence numbers during the handshake, an attacker can remove an arbitrary amount of messages sent by the client or server a...

SSH SFTP server denial of service via extended channel data infinite loop

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CVE-2026-34152

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, pre-deployment and post-deployment commands are single-quote escaped but then sent through SSH heredoc transport that preserves newlines, allowing an authenticated user to...

CVE-2026-34058

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the Livewire component Server\Resources exposes public methods startUnmanaged, stopUnmanaged, restartUnmanaged that accept a container ID parameter directly from the browse...

[SECURITY] Fedora 44 Update: podman-tui-1.11.3-1.fc44

podman-tui is a terminal user interface for Podman. podman-tui is using podman.socket service to communicate with podman environm ent and SSH to connect to remote podman machines...

EUVD-2026-24969

mkfifo: permissions of an existing file are changed after FIFO creation fails...

CVE-2026-34167

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the ActivityMonitor Livewire component exposes a public $activityId property without Livewire's Locked attribute. It loads activities via Activity::find$this-activityId wit...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the coder config-ssh process. An attacker can execute arbitrary commands on the local system by injecting malicious SSH configuration directives through unsanitized server-supplied values. This is only exploitable ...

OPENSUSE-SU-2026:21210-1 Security update for google-osconfig-agent

This update for google-osconfig-agent fixes the following issues - CVE-2023-45288: golang.org/x/net/http2: close connections when receiving too many headers. - CVE-2025-47911: golang.org/x/net/html: various algorithms with quadratic complexity when parsing HTML documents bsc1251453. -...

RLSA-2026:35833 Important: container-tools:rhel8 security update

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fixes: github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption JWE object CVE-2026-34986...

erlang: ssh: Erlang OTP ssh: Information disclosure via SFTP REALPATH handler

A flaw was found in Erlang OTP's Secure Shell SSH component, specifically within the SSH File Transfer Protocol SFTP daemon's sshsftpd module. An authenticated SFTP user can exploit an observable response discrepancy in the REALPATH handler to enumerate the existence of files and directories...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses

A flaw was found in golang.org/x/crypto/ssh. A remote malicious SSH peer can exploit this by sending unsolicited global request responses, which fills an internal buffer and blocks the connection's read loop. This prevents the associated resources from being released, leading to a resource leak p...

Important: Red Hat Security Advisory: container-tools:rhel8 security update

An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

The vulnerability of the SSH server of the Git repository management system Gitea, which allows a hacker to compromise the confidentiality and integrity of the protected information.

The vulnerability of the SSH server of the Git repository management system Gitea is related to the use of cryptographic algorithms that contain vulnerabilities. Exploiting this vulnerability could allow a malicious actor to compromise the confidentiality and integrity of the protected informatio...

proto-default skips SSH verification

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Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via a malformed SSH sub-verb in the authentication process. An attacker can gain unauthorized read access to private repositories by crafting specific SSH requests. Remediation Upgrade github.com/go-gitea/gitea/c...

CVE-2026-58423

LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories...

CVE-2026-58423

The CVE-2026-58423 entry concerns Gitea’s LFS authentication: a malformed SSH sub-verb allows unauthorized read access to private repositories. The issue is described as an authentication bypass that can enable read access without credentials, affecting LFS handling in affected Gitea deployments....

CVE-2026-58423 LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories

LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the CURLOPTSSHKEYFUNCTION process. An attacker can intercept or manipulate data by presenting a server host key type that does not match the recorded key type in the knownhosts file, which is improperl...