# Security Policy ## Reporting a Vulnerability **Do NOT open a public GitHub issue for security vulnerabilities.** Email **security@cuecrux.com** with: 1. Description of the vulnerability 2. Steps to reproduce 3. Affected versions 4. Impact assessment (your best estimate) ## Response Timeline | Stage | Target | |---|---| | Acknowledgment | 48 hours | | Assessment | 7 days | | Fix release | 30 days | CROWN receipt integrity bugs are treated as **critical severity** regardless of exploitability. ## Scope | In scope | Out of scope | |---|---| | `corecruxd` daemon | VaultCrux hosted platform | | `corecruxctl` CLI | Third-party dependencies (report upstream) | | All `corecrux-*` crates | Social engineering | | CROWN receipt generation/verification | | | BLAKE3 chain integrity | | | Tenant isolation | | ## Supported Versions | Version | Supported | |---|---| | 0.5.x | Current release | | < 0.5 | Best effort | ## Recognition Accepted reports receive credit in CHANGELOG.md and any published security advisory. ## Encryption For sensitive reports, request our PGP key via security@cuecrux.com.