‘GhostJacking’ attack turns error logs into indirect prompt injections

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August 11, 2026 at 11:00 AM

Overview

At DEF CON 34, researchers demonstrated a new attack method dubbed 'GhostJacking,' which targets integrations with popular services like Cloudflare, DataDog, and Sentry. This technique exploits error logs to perform indirect prompt injections, potentially allowing attackers to manipulate how these services respond to user inputs. The implications of this attack could be significant, as it could lead to unauthorized access or data leakage in systems relying on these integrations. As organizations increasingly rely on cloud services for their operations, understanding and mitigating such vulnerabilities becomes essential. Companies using these platforms should review their error handling practices to safeguard against this type of attack.

Key Takeaways

Affected Systems: Cloudflare, DataDog, Sentry
Action Required: Organizations should review their error handling practices and ensure proper sanitization of error logs to prevent indirect prompt injections.
Timeline: Newly disclosed

Original Article Summary

Attacks targeting Cloudflare, DataDog and Sentry MCP integrations were demonstrated at DEF CON 34.

Impact

Cloudflare, DataDog, Sentry

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Organizations should review their error handling practices and ensure proper sanitization of error logs to prevent indirect prompt injections.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

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