EUVD-2026-30049

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. Prior to 1.3834.0, the CoworkVMService component in Claude Desktop for Windows ran as SYSTEM and did not validate whether the VM bundle directory was a real directory or an NT...

CVE-2026-44470

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. Prior to 1.3834.0, the CoworkVMService component in Claude Desktop for Windows ran as SYSTEM and did not validate whether the VM bundle directory was a real directory or an NT...

CVE-2026-44470 Claude Desktop: Local Privilege Escalation via Directory Junction in CoworkVMService

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. Prior to 1.3834.0, the CoworkVMService component in Claude Desktop for Windows ran as SYSTEM and did not validate whether the VM bundle directory was a real directory or an NT...

CVE-2026-44467 Claude Desktop: SSH Host Key Verification Bypass Allows Man-in-the-Middle Attack on Remote Sessions

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in /.ssh/knownhosts without comparing the server's...

CVE-2026-44467 Claude Desktop: SSH Host Key Verification Bypass Allows Man-in-the-Middle Attack on Remote Sessions

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in /.ssh/knownhosts without comparing the server's...

CVE-2026-44467

The CVE describes a vulnerability in Claude Desktop (SSH remote development feature) where, from versions 1.2581.0 up to before 1.4304.0, host key verification was bypassed: the system only checked that a hostname existed in ~/.ssh/known_hosts, not that the presented host key matched the stored k...

GHSA-G3XQ-3GMV-QQ8G claude-code-cache-fix vulnerable to local code execution via Python triple-quote injection in tools/quota-statusline.sh

Summary tools/quota-statusline.sh introduced in v3.5.0 interpolates Claude Code's hook stdin payload directly into a Python triple-quoted string literal. A ''' byte sequence in any user-controlled field of the payload closes the literal early and lets following bytes execute as Python in the user...

claude-code-cache-fix vulnerable to local code execution via Python triple-quote injection in tools/quota-statusline.sh

Summary tools/quota-statusline.sh introduced in v3.5.0 interpolates Claude Code's hook stdin payload directly into a Python triple-quoted string literal. A ''' byte sequence in any user-controlled field of the payload closes the literal early and lets following bytes execute as Python in the user...

NPM: claude-code-cache-fix vulnerable to local code execution via Python triple-quote injection in tools/quota-statusline.sh

NPM: claude-code-cache-fix vulnerable to local code execution via Python triple-quote injection in tools/quota-statusline.sh vulnerability discovered by ? in WordPress Npm claude-code-cache-fix versions = 3.5.0, 3.5.2...

OpenAI’s GPT-5.5 is as Good as Mythos at Finding Security Vulnerabilities

The UK's AI Security Institute evaluated GPT-5.5's ability to find security vulnerabilities, and found that it is comparable to Claude Mythos. Note that the OpenAI model is generally available. Here is the Institute's evaluation of Mythos. And here is an analysis of a smaller, cheaper model. It...

Malicious code in ms-graph-types (npm)

Two malicious npm packages published by the micresoft account typosquatting "microsoft" are part of a coordinated supply chain attack sharing identical infrastructure with packages published by the superbase account. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at...

Malicious code in iceberg-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

Malicious code in auth-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

Malicious code in supabase-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

PT-2026-40724

Name of the Vulnerable Software and Affected Versions claude-code-cache-fix versions 3.5.0 through 3.5.1 Description The tools/quota-statusline.sh script interpolates the Claude Code hook stdin payload directly into a Python triple-quoted string literal. A ''' byte sequence in any user-controlled...

Claude Code 安全漏洞

Claude Code is an open-source terminal-native AI programming tool developed by Anthropic. Versions of Claude Code from 1.2581.0 to 1.4304.0 contained a security vulnerability. This vulnerability stemmed from the SSH remote development feature, which only verified whether the host name exists in t...

Claude Code 后置链接漏洞

Claude Code is an open-source terminal-native AI programming tool developed by Anthropic. Versions of Claude Code prior to 1.3834.0 contained a post-installation vulnerability. This vulnerability stemmed from the CoworkVMService component running with SYSTEM privileges and without verifying wheth...

MAL-2026-3649 Malicious code in iceberg-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

MAL-2026-3648 Malicious code in auth-javascript (npm)

Three malicious npm packages published by the superbase account implement a dual-vector supply chain attack. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at .claude/settings and a companion .claude/settings.json that registers the binary as a Claude Code SessionStart hoo...

MAL-2026-3650 Malicious code in microsoft-applicationinsights-common (npm)

Two malicious npm packages published by the micresoft account typosquatting "microsoft" are part of a coordinated supply chain attack sharing identical infrastructure with packages published by the superbase account. Each package bundles a 4.5 MB statically-linked, UPX-packed ELF binary at...