Last seen June 8, 2026

AI Security Incident

Hackers Exploit Claude Code MCP Traffic to Hijack OAuth Authentication Tokens gbhackers.com

Technical Severity
Low severity
Lifecycle Status

STABLE

Sources

What Happened

Hackers Exploit Claude Code MCP Traffic to Hijack OAuth Authentication Tokens gbhackers.com

Why This Matters

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

Recommended Action

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

Exposure

My Interests Exposure

Exposure unknown

Recommended Response
Last Seen

Jun 08, 2026 12:30

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

Exploitation status: UNKNOWN

Primary entities:

AnthropicClaudeClaude CodeMCPCode MCP TrafficHackers Exploit Claude

Timeline

  • Incident first seen
    Jun 08, 2026 12:30

    BugSkan first recorded this incident.

  • Hackers Exploit Claude Code MCP Traffic to Hijack OAuth Authentication Tokens - gbhackers.com
    Jun 08, 2026 12:30

    news.google.com · Research

Sources

Hackers Exploit Claude Code MCP Traffic to Hijack OAuth Authentication Tokens - gbhackers.com

news.google.com · Jun 08, 2026 12:30

Hackers Exploit Claude Code MCP Traffic to Hijack OAuth Authentication Tokens gbhackers.com

Open publisher source

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My Interests Match

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