Last seen April 2, 2026

Claude Code Permission Bypass Vulnerability

Evidence indicates that Claude Code is affected by a security issue.

Technical Severity
Low severity
Lifecycle Status

STABLE

What Happened

Evidence indicates that Claude Code is affected by a security issue.

Why This Matters

Publisher reporting describes a concrete security event. BugSkan could not yet bind it to a CVE or affected version, so treat the source details as the current record.

Recommended Action

No confirmed vendor remediation is available in the current evidence. Confirm whether Claude Code is present in your environment and review the affected configuration.

Exposure

My AI Stack Exposure

Exposure unknown

Recommended Response
Last Seen

Apr 02, 2026 05:30

Exposure reason: This incident does not currently match a technology in My AI Stack.

Exploitation status: UNKNOWN

Primary entities:

AnthropicClaudeClaude CodePrompt InjectionClaude Code EmergesCritical Vulnerability

Timeline

  • Incident first seen
    Apr 02, 2026 05:30

    BugSkan first recorded this incident.

  • Critical Vulnerability in Claude Code Emerges Days After Source Leak - SecurityWeek
    Apr 02, 2026 05:30

    securityweek.com · Vulnerability

Sources

Critical Vulnerability in Claude Code Emerges Days After Source Leak - SecurityWeek

securityweek.com · Apr 02, 2026 05:30

A critical vulnerability in Anthropic's Claude Code allows for the bypass of its permission system's deny rules. This flaw can be exploited via AI-generated prompt injection, enabling attackers to exfiltrate sensitive credentials and compromise cloud or CI/CD environments.

Open publisher source

My AI Stack Match

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