Claude Security Incident
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.
What Happened
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.
Why This Matters
Publisher reporting describes a security event affecting Leak. BugSkan could not yet bind a CVE or affected version, so treat the source details as the current record.
Recommended Action
Confirm whether Leak is present in your environment and review vendor guidance for this report. Apply available patches or mitigations if your deployment matches the described conditions.
Exposure
Exposure unknown
Apr 02, 2026 05:30
Exposure reason: This incident does not currently match a technology in My Interests.
Exploitation status: UNKNOWN
Primary entities:
Timeline
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Incident first seen
Apr 02, 2026 05:30BugSkan first recorded this incident.
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Critical Vulnerability in Claude Code Emerges Days After Source Leak - SecurityWeek
Apr 02, 2026 05:30securityweek.com · Vulnerability
Sources
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.
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