UNIX Symbolic Link (Symlink) Following

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 UNIX Symbolic Link Symlink...

@acampkin/mcc (>=2.1.0, <=2.5.0), @kimuson/claude-code-viewer (>=0.4.2-beta.2, <=0.6.0) +24 more potentially affected by CVE-2026-39861 via @anthropic-ai/claude-code (>=2.0.0, <=2.1.63)

@anthropic-ai/claude-code NPM version =2.0.0, =2.1.0, =0.4.2-beta.2, =19.24.1, =1.0.0-broken, =0.0.1-rc.1, =0.0.1, =0.4.0, =1.0.29, =0.12.0, =0.5.2, =0.12.1, =0.0.0, =0.1.2, =2.0.0 - ch-go 1.0.3 and more Source cves: CVE-2026-39861 Source advisory: OSV:GHSA-VP62-R36R-9XQP...

CVE-2026-39861

Claude Code is an agentic coding tool. Prior to version 2.1.64, Claude Code's sandbox did not prevent sandboxed processes from creating symlinks pointing to locations outside the workspace. When Claude Code subsequently wrote to a path within such a symlink, its unsandboxed process followed the...

CVE-2026-39861

CVE-2026-39861 affects Claude Code prior to version 2.1.64. The sandbox could be escaped by following symlinks outside the workspace when a path under a symlink was written to, allowing an unsandboxed process to reach arbitrary locations. This could enable code execution outside the sandbox under...

CVE-2026-39861

Claude Code is an agentic coding tool. Prior to version 2.1.64, Claude Code's sandbox did not prevent sandboxed processes from creating symlinks pointing to locations outside the workspace. When Claude Code subsequently wrote to a path within such a symlink, its unsandboxed process followed the...

CVE-2026-39861 Claude Code: Sandbox Escape via Symlink Following Allows Arbitrary File Write Outside Workspace

Claude Code is an agentic coding tool. Prior to version 2.1.64, Claude Code's sandbox did not prevent sandboxed processes from creating symlinks pointing to locations outside the workspace. When Claude Code subsequently wrote to a path within such a symlink, its unsandboxed process followed the...

CVE-2026-39861 Claude Code: Sandbox Escape via Symlink Following Allows Arbitrary File Write Outside Workspace

Claude Code is an agentic coding tool. Prior to version 2.1.64, Claude Code's sandbox did not prevent sandboxed processes from creating symlinks pointing to locations outside the workspace. When Claude Code subsequently wrote to a path within such a symlink, its unsandboxed process followed the...

CVE-2026-39861: Improper Limitation of a Pathname to a Restricted Directory

Claude Code is an agentic coding tool. Prior to version 2.1.64, Claude Code's sandbox did not prevent sandboxed processes from creating symlinks pointing to locations outside the workspace. When Claude Code subsequently wrote to a path within such a symlink, its unsandboxed process followed the...

PT-2026-33883

Name of the Vulnerable Software and Affected Versions Claude Code versions prior to 2.1.64 Description Claude Code contains a sandbox escape flaw where sandboxed processes can create symbolic links symlinks pointing to locations outside the designated workspace. When the unsandboxed process write...

Claude Code 路径遍历漏洞

Claude Code is an open-source terminal-native AI programming tool developed by Anthropic. Claude Code has a path traversal vulnerability, which stems from the lack of restrictions on creating symbolic links that point outside the workspace by the sandbox processes...

CVE-2026-35603

Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable ...

Exploit for Code Injection in Anthropic Claude_Code

CVE-2025-59536 - the startup trust dialog implementation. Clau...

GHSA-5CWG-9F6J-9JVX Claude Code: Insecure System-Wide Configuration Loading Enables Local Privilege Escalation on Windows

On Windows, Claude Code loaded system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable by non-administrative users by default and the ClaudeCode subdirectory...

@acampkin/mcc (>=2.1.0, <=2.5.0), @kimuson/claude-code-viewer (>=0.4.2-beta.2, <=0.6.0) +24 more potentially affected by CVE-2026-35603 via @anthropic-ai/claude-code (>=2.0.0, <=2.1.71)

@anthropic-ai/claude-code NPM version =2.0.0, =2.1.0, =0.4.2-beta.2, =19.24.1, =1.0.0-broken, =0.0.1-rc.1, =0.0.1, =0.4.0, =1.0.29, =0.12.0, =0.5.2, =0.12.1, =0.0.0, =0.1.2, =2.0.0 - ch-go 1.0.3 and more Source cves: CVE-2026-35603 Source advisory: OSV:GHSA-5CWG-9F6J-9JVX...

CVE-2026-35603 Claude Code: Insecure System-Wide Configuration Loading Enables Local Privilege Escalation on Windows

Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable ...

CVE-2026-35603

CVE-2026-35603 (Claude Code, Windows) : In versions prior to 2.1.75, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Since ProgramData is writable by non-administrative user...

CVE-2026-35603 Claude Code: Insecure System-Wide Configuration Loading Enables Local Privilege Escalation on Windows

Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable ...

CVE-2026-35603

Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable ...

CVE-2026-35603 Claude Code: Insecure System-Wide Configuration Loading Enables Local Privilege Escalation on Windows

Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable ...

CVE-2026-35603: Untrusted Search Path

Claude Code is an agentic coding tool. In versions prior to 2.1.75 on Windows, Claude Code loaded the system-wide default configuration from C:\ProgramData\ClaudeCode\managed-settings.json without validating directory ownership or access permissions. Because the ProgramData directory is writable ...