CVE Catalog

CVE-2026-77177

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Summary

Open GenAI Stack (ogx-ai) as of 2026-06-11, used in the Meta AI backend for WhatsApp and other products, allows code execution because prompt injection (with Jinja2 template syntax) can be used to achieve server-side expression evaluation without sanitization.

Risk Assessment

An attacker can exploit the vulnerability to execute arbitrary code on the server, potentially leading to full system compromise and data breach.

Recommendation

Immediately update Open GenAI Stack to the latest version and implement input sanitization mechanisms.

Related vulnerabilities

Original NVD description (English source)

Open GenAI Stack (aka ogx-ai) 2026-06-11, as used in the Meta AI backend for WhatsApp and other products, allows code execution because prompt injection (with Jinja2 template syntax) can be used to achieve server-side expression evaluation without sanitization.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS