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Security Policy

We take the security of Sico seriously. Thank you for helping keep the project and its users safe.

Supported versions

Sico is pre-1.0 and under active development. Security fixes are applied to the main branch. When a stable release line exists, this section will be updated to list supported versions.

Reporting a vulnerability

Please do not file public GitHub issues for security vulnerabilities.

Instead, report privately via GitHub's private vulnerability reporting on this repository.

Please include:

  • A description of the issue and its potential impact.
  • Steps to reproduce, or a proof-of-concept.
  • Any suggested mitigations.

We will acknowledge your report, investigate, and keep you informed of progress. We aim to provide an initial response within a few business days.

Disclosure policy

We practice coordinated disclosure. After a fix is available, we will publish a security advisory crediting the reporter (unless anonymity is requested).

Scope

The following are in scope for security reports:

  • Authentication and authorization flaws (JWT, RBAC, HMAC sandbox auth).
  • Injection vulnerabilities (SQL, command, prompt injection with real impact).
  • Sensitive-data exposure in logs, API responses, or storage.
  • Remote code execution or container escape in sandbox components.
  • Denial-of-service with a low-cost trigger.

The following are out of scope:

  • Vulnerabilities in third-party services Sico integrates with (report those to the upstream maintainers).
  • Reports that require physical access to a developer machine.
  • Missing security headers with no demonstrated impact.
  • Findings from automated scanners without a working proof-of-concept.

Hardening guidance for operators

If you deploy Sico, please also follow standard operator hygiene:

  • Rotate all secrets from .env.example before exposing the service.
  • Use TLS in front of Nginx.
  • Restrict network access to MySQL, Redis, SeaweedFS, and Kafka to the internal network.
  • Keep container images and OS packages up to date.
  • Review docs/technical_report.md and docs/quickstart.md before going to production.