Last seen April 2, 2026

Claude Security Incident

Evidence indicates that Claude is affected by a security issue.

Technical Severity

Low severity

Lifecycle Status

STABLE

Sources

1 source: securityweek.com

What Happened

Evidence indicates that Claude is affected by a security issue.

Why This Matters

Current evidence identifies a security issue involving Claude, but does not yet support a more specific impact claim.

Recommended Action

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

Follow this incident as it develops Material-change notifications are being prepared for BugSkan Pro.

Exposure

Recommended Response

First Seen

Apr 02, 2026 05:30

Last Seen

Apr 02, 2026 05:30

Exploitation status: UNKNOWN

Primary entities:

Anthropic Claude Claude Code Credential Exposure Prompt Injection Remote Code Execution

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

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