Found a security issue? Tell the maintainers privately. Do not file a public issue for an exploitable bug until a fix is out.
- Client integrity and privacy bugs
- Tampering with reference databases
- API or auth flaws in the server
"User-mode PCI IDs can be spoofed" is not a product bug by itself. Phase 1 treats that inventory as evidence, not proof. See the threat model for the full picture.
Details live in docs/security/THREAT_MODEL.md.