Meta · Meta Ai · CVE-2026-77177
**Name of the Vulnerable Software and Affected Versions**
Open GenAI Stack (ogx-ai) version 2026-06-11
**Description**
This issue allows remote code execution due to a lack of sanitization, enabling prompt injection using Jinja2 template syntax. This leads to server-side expression evaluation, which can be exploited in the Meta AI backend for WhatsApp and other products.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.