UBUNTU-CVE-2026-59846

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

SUSE CVE-2026-42218

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure...

CVE-2026-59846

CVE-2026-59846 affects libssh: a flaw in ProxyCommand handling where a malicious username expanded via %r can inject shell metacharacters, exposing environment variables and causing unintended shell behavior. No specific exploit/public-fix details are provided in the connected documents; remediat...

CVE-2026-59846

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

CVE-2026-59846 Libssh: libssh: information disclosure via proxycommand %r username expansion

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

CVE-2026-59846 Libssh: libssh: information disclosure via proxycommand %r username expansion

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

EUVD-2026-46254

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

CVE-2026-59846

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

CVE-2026-59846

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior. Mitigation Make sure you are not executing connections with untrusted username inputs...

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Overview Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' in the ProxyCommand process when a malicious username is expanded through %r, which can inject shell metacharacters, expose environment...

EulerOS Virtualization 2.10.0 : openssh (EulerOS-SA-2026-2862)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.CVE-2026-35388 In OpenSSH befo...

EulerOS Virtualization 2.10.1 : openssh (EulerOS-SA-2026-2831)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.CVE-2026-35388 In OpenSSH befo...

PT-2026-61936

Name of the Vulnerable Software and Affected Versions libssh affected versions not specified Description A flaw exists in the handling of ProxyCommand where a malicious username expanded through the %r variable can inject shell metacharacters. This can lead to the exposure of environment variable...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2744)

According to the versions of the packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if th...

File Browser: Colliding username normalization gives two users the same home directory

Summary FileBrowser confines each user to a scope: a home directory that acts as the boundary for everything they can read or write. When self-registration and automatic home-directory creation are both enabled Signup=true and CreateUserDir=true, a new user's scope is built from their username...

GHSA-7RC3-G7H6-22M7 File Browser: Colliding username normalization gives two users the same home directory

Summary FileBrowser confines each user to a scope: a home directory that acts as the boundary for everything they can read or write. When self-registration and automatic home-directory creation are both enabled Signup=true and CreateUserDir=true, a new user's scope is built from their username...

EUVD-2026-44708

File Browser: Colliding username normalization gives two users the same home directory...

GHSA-G6XQ-892H-64W3 Composer: URL-embedded HTTP-Basic username leaks to verbose logs (GitHub PAT exposure)

Summary When Composer is run with -vvv debug verbosity, it could print a credential that was embedded directly in a repository or package URL, but not as a password, to its debug output. Composer already masked the password portion of such URLs, but the username portion was shown in clear text...

Composer: URL-embedded HTTP-Basic username leaks to verbose logs (GitHub PAT exposure)

Summary When Composer is run with -vvv debug verbosity, it could print a credential that was embedded directly in a repository or package URL, but not as a password, to its debug output. Composer already masked the password portion of such URLs, but the username portion was shown in clear text...

CVE-2026-42218

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure...