CVSS 9.8 (critical) · published 2026-09-29
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.
Weakness: CWE-94
Source: NVD CVE-2026-77177
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