
CVE-2026-70500 was not prompt injection. It was an unauthenticated GET endpoint on Cloudflare's AI Gateway. One request = your full prompt history + every attached credential. No auth. Full exfil. Patch: 2026.8.1. Lesson: your gateway is a credential store, not a proxy.
Post summary
The post reveals that CVE‑2026‑70500 allows unauthenticated GET requests to expose prompt history and credentials via Cloudflare's AI Gateway, and a patch (2026.8.1) is available.
