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

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 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

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...

PT-2026-62102

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Unvalidated input in asset filter parameters allows shell metacharacters to escape command argument handling. This leads to remote code execution as a...

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...

PT-2026-62105

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The audit file upload handler fails to sanitize filenames, which allows shell metacharacters to be passed into system command execution. This input validation...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via incomplete sanitization of user-supplied commands in the terminal process. An attacker can execute arbitrary operating system commands as the web server user by injecting shell metacharacters such as single pipe |,...

CVE-2026-52891

Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied filenames into paths later passed to childprocess.exec for MIME-type detection. Because models/avatars.js and models/fileValidation.js used a shell command with the avatar filename...

PYSEC-2026-2519 OpenStack Horizon RC file generation does not escape special characters in project names

OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability...

PYSEC-2026-2475 FastMCP has a Command Injection vulnerability - Gemini CLI

Server names containing shell metacharacters e.g., & can cause command injection on Windows when passed to fastmcp install claude-code or fastmcp install gemini-cli. These install paths use subprocess.run with a list argument, but on Windows the target CLIs often resolve to .cmd wrappers that are...

CVE-2026-61498 Vitec Flamingo 4.12.2 Unauthenticated OS Command Injection via gen_graphs.php

Vitec Flamingo 4.12.2 contains an unauthenticated OS command injection vulnerability in the admin/ajax/gengraphs.php endpoint that allows remote unauthenticated attackers to execute arbitrary commands by supplying shell metacharacters in the start, end, key, or format HTTP GET parameters. Attacke...

CVE-2026-61498 Vitec Flamingo 4.12.2 Unauthenticated OS Command Injection via gen_graphs.php

Vitec Flamingo 4.12.2 contains an unauthenticated OS command injection vulnerability in the admin/ajax/gengraphs.php endpoint that allows remote unauthenticated attackers to execute arbitrary commands by supplying shell metacharacters in the start, end, key, or format HTTP GET parameters. Attacke...

PYSEC-2026-3390 Tryton vulnerable to arbitrary command execution

The safeeval function in trytond in Tryton before 2.4.15, 2.6.x before 2.6.14, 2.8.x before 2.8.11, 3.0.x before 3.0.7, and 3.2.x before 3.2.3 allows remote authenticated users to execute arbitrary commands via shell metacharacters in 1 the collection.domain in the webdav module or 2 the formula...

JLSEC-2026-656 Deno: Command Injection via spawnSync & spawn on Windows

Summary Deno's node:childprocess implementation provided an escapeShellArg helper used when callers passed shell: true to spawn / spawnSync / exec and friends. On Windows, the helper failed to quote arguments that contained cmd.exe metacharacters such as &, |, , ^, !, , , and did not neutralize %...

CVE-2026-34168

CVE-2026-34168 affects Coolify prior to 4.0.0-beta.471. The vulnerability arises from the LocalPersistentVolume.name field being interpolated directly into docker volume commands without shell-escaping, enabling an authenticated user to inject and execute commands on managed servers when the reso...

PT-2026-56137

Name of the Vulnerable Software and Affected Versions Coolify versions prior to 4.0.0-beta.471 Description Coolify is an open-source tool for managing servers, applications, and databases. An authenticated member can execute commands as root on managed servers by injecting shell metacharacters in...