
AI Infrastructure Vulnerability Research. CVE-2026-78906: Prompt injection and memory exfiltration in OpenAI's ChatGPT API.
| Field | Value |
|---|
| Severity | 8.7 (High) |
| Vector | Network |
| Affected Versions | API v1.0 – v1.3 |
| Discovered By | 𝕍𝕠𝕤𝕤🥷 |
A critical vulnerability in OpenAI's ChatGPT API allows an attacker to inject malicious prompts that bypass system‑level restrictions and exfiltrate previous conversation context.