Malicious code in haswons (npm)

haswons is a typosquatting package impersonating hasown, the utility for checking whether an object has a direct own property. The package bundles the legitimate hasown source to appear functional while hiding a credential-theft payload in index1.js, executed at install time via the postinstall...

[SECURITY] Fedora 44 Update: yarnpkg-1.22.22-18.fc44

Fast, reliable, and secure dependency management...

[SECURITY] Fedora 42 Update: yarnpkg-1.22.22-18.fc42

Fast, reliable, and secure dependency management...

[SECURITY] Fedora 43 Update: yarnpkg-1.22.22-18.fc43

Fast, reliable, and secure dependency management...

[SECURITY] Fedora 42 Update: yarnpkg-1.22.22-17.fc42

Fast, reliable, and secure dependency management...

Arbitrary Code Execution

Claude Code is vulnerable to Arbitrary Code Execution. The vulnerability is due to Yarn plugin execution occurring before the startup trust dialog when running in a project using Yarn 3.0 or above, allowing malicious project plugins to execute code if a user launches Claude Code in an untrusted...

Fedora 43 : yarnpkg (2026-a75abb3f2b)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a75abb3f2b advisory. Regenerate vendor tarball. Fixes CVE-2025-13465. Tenable has extracted the preceding description block directly from the Fedora security advisory...

Regular Expression Denial Of Service (ReDoS)

Yarn is vulnerable to Regular Expression Denial Of Service ReDoS. The vulnerability is due to improper handling of user-controlled options in the setOptions function, which allows a local attacker to supply crafted input that triggers excessive regular expression processing and causes a denial of...

Fedora 43 : yarnpkg (2025-de6cf573f0)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-de6cf573f0 advisory. Fix CVE-2205-64756. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not teste...

CVE-2025-65099

Claude Code is an agentic coding tool. Prior to version 1.0.39, when running on a machine with Yarn 3.0 or above, Claude Code could have been tricked to execute code contained in a project via yarn plugins before the user accepted the startup trust dialog. Exploiting this would have required a us...

GHSA-5HHX-V7F6-X7GV Claude Code vulnerable to command execution prior to startup trust dialog

When using Claude Code with Yarn installed, Yarn config files can trigger code execution when running yarn --version. This could lead to a bypass of the directory trust dialog in Claude Code, as plugins and yarnPath could be executed prior to the user accepting the risks of working in an untruste...

Arbitrary Code Injection

Overview @anthropic-ai/claude-code is an Use Claude, Anthropic's AI assistant, right from your terminal. Claude can understand your codebase, edit files, run terminal commands, and handle entire workflows for you. Affected versions of this package are vulnerable to Arbitrary Code Injection via ya...

Claude Code vulnerable to command execution prior to startup trust dialog

When using Claude Code with Yarn installed, Yarn config files can trigger code execution when running yarn --version. This could lead to a bypass of the directory trust dialog in Claude Code, as plugins and yarnPath could be executed prior to the user accepting the risks of working in an untruste...

CVE-2025-65099

Claude Code is an agentic coding tool. Prior to version 1.0.39, when running on a machine with Yarn 3.0 or above, Claude Code could have been tricked to execute code contained in a project via yarn plugins before the user accepted the startup trust dialog. Exploiting this would have required a us...

CVE-2025-65099 Claude Code vulnerable to command execution prior to startup trust dialog

Claude Code is an agentic coding tool. Prior to version 1.0.39, when running on a machine with Yarn 3.0 or above, Claude Code could have been tricked to execute code contained in a project via yarn plugins before the user accepted the startup trust dialog. Exploiting this would have required a us...

CVE-2025-65099

CVE-2025-65099 – Claude Code pre‑startup trust bypass via Yarn 3.x plugins is raised for Claude Code prior to 1.0.39. The issue allowed code execution from a project directory by exploiting Yarn 3.0+ plugins before the startup trust dialog was accepted. Affected scenario required running Claude C...

CVE-2025-65099 Claude Code vulnerable to command execution prior to startup trust dialog

Claude Code is an agentic coding tool. Prior to version 1.0.39, when running on a machine with Yarn 3.0 or above, Claude Code could have been tricked to execute code contained in a project via yarn plugins before the user accepted the startup trust dialog. Exploiting this would have required a us...

CVE-2025-65099 Claude Code vulnerable to command execution prior to startup trust dialog

Claude Code is an agentic coding tool. Prior to version 1.0.39, when running on a machine with Yarn 3.0 or above, Claude Code could have been tricked to execute code contained in a project via yarn plugins before the user accepted the startup trust dialog. Exploiting this would have required a us...

Claude Code 代码注入漏洞

Claude Code is an open source proxy coding tool from Anthropic. A code injection vulnerability exists in Claude Code versions prior to 1.0.39, which stems from the possibility of executing project code via the yarn plugin without the user having to accept the startup trust dialog in Yarn 3.0 and...

PT-2025-47513

Name of the Vulnerable Software and Affected Versions Claude Code versions prior to 1.0.39 Description Prior to version 1.0.39, Claude Code could be tricked into executing code contained in a project through Yarn plugins before the user accepted the startup trust dialog, when running on a machine...