USN-8090-1 openssh vulnerabilities

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH to crash, resulting in a denial of service, or possibly...

CVE-2026-3497

Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The usage of sshpktdisconnect on an error, which does not terminate the...

OpenSSH 安全漏洞

OpenSSH OpenBSD Secure Shell is a set of open-source connection tools developed by OpenBSD in Canada for secure access to remote computers. This tool is an open-source implementation of the SSH protocol, supporting encryption of all transmissions. It effectively prevents eavesdropping, connection...

CVE-2026-3497: Use of Uninitialized Resource

Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The usage of sshpktdisconnect on an error, which does not terminate the...

SUSE-SU-2026:20662-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2025-61984: code execution via control characters in usernames when a ProxyCommand is used bsc1251198. - CVE-2025-61985: code execution via '\0' character in ssh: // URI when a ProxyCommand is used bsc1251199...

OpenAI Codex Security Scanned 1.2 Million Commits and Found 10,561 High-Severity Issues

OpenAI on Friday began rolling out Codex Security , an artificial intelligence AI-powered security agent that's designed to find, validate, and propose fixes for vulnerabilities. The feature is available in a research preview to ChatGPT Pro, Enterprise, Business, and Edu customers via the Codex w...

NewStart CGSL MAIN 6.06 (SP) : openssh Vulnerability (NS-SA-2026-0031)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has openssh packages installed that are affected by a vulnerability: - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such...

NewStart CGSL MAIN 6.06 (SP) : openssh Vulnerability (NS-SA-2026-0030)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has openssh packages installed that are affected by a vulnerability: - The PKCS11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to a...

OpenSSH security update for CVE-2025-26465

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

PT-2026-22500

🛡️ PenTest tip: explore CVE-2023-34527 - OpenSSH authentication bypass. Great sandbox exercise to sharpen your exploit-development skills. PenTesting CVE CVE-2023-34527 ref:1773688762628 😃 I love digging into real-world exploits!...

Exploit for Improper Validation of Integrity Check Value in Openbsd Openssh

Terrapin Attack - Manual Exploitation Lab CVE-2023-48795...

NewStart CGSL MAIN 6.06 (SP) : openssh Vulnerability (NS-SA-2026-0002)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has openssh packages installed that are affected by a vulnerability: - A race condition in sshd affecting versions between 8.5p1 and 9.7p1 inclusive may allow arbitrary code execution with root privileges. Successful exploitation has be...

Low: openssh

Issue Overview: In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding. CVE-2025-32728 ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted...

Amazon Linux 2 : openssh, --advisory ALAS2-2026-3175 (ALAS-2026-3175)

The version of openssh installed on the remote host is prior to 7.4p1-22. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3175 advisory. In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1441)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1441 advisory. ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The...

Low: openssh

Issue Overview: ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file....

OpenSSH 10.2p1 Authorized Keys Persistence Tool

This Metasploit Auxiliary module establishes persistent access to remote systems by adding an SSH public key to a target user's authorizedkeys file after successful authentication. The module requires valid SSH credentials password or private key and supports both Unix-like and Windows SSH...

PT-2026-7827

CVE-2026-25980 - Apache OpenSSH Authentication Bypass CVE ID : CVE-2026-25980 Published : 2026年2月10日 05:16 | 1 小时，59 分钟 ago Description : Rejected reason: Not used Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...

RHSA-2026:1815 Red Hat Security Advisory: openssh security update

Bulletin has no description...

OpenSSH security update (CVE-2025-61984)

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. A configuration...