{"id":"CVE-2026-77177","title":"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 evaluati…","summary":"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 evaluati…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"published":"2026-09-29","updated":"2026-09-30","sourceUpdated":"2026-09-30T17:32:07.107","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77177","references":[{"url":"https://gist.github.com/abhi04anon/8ce0b68a5a7dda8a0501cbaf933173eb","label":"cve@mitre.org"},{"url":"https://gist.github.com/abhi04anon/8ce0b68a5a7dda8a0501cbaf933173eb","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00592,"epssPercentile":0.48103,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-29T19:48:42.567852Z"},"ingestedAt":"2026-09-29T16:39:33.268Z","slug":"CVE-2026-77177","body":"## Overview\n\nOpen 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":213124,"id":"CVE-2026-77177","ts":1790714818689,"field":"exploit_available","old":"false","new":"true"},{"seq":213123,"id":"CVE-2026-77177","ts":1790714818689,"field":"cvss","old":null,"new":"9.8"},{"seq":213122,"id":"CVE-2026-77177","ts":1790714818689,"field":"severity","old":"none","new":"critical"}]}