CVE-2026-77177EPSS p46.5%
CVE-2026-77177CVE-2026-77177
Description
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.
Scoring
| CVSS | 9.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.59% probability of exploitation · percentile 46.5% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-30 |