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SECURITY
SECURITY
Type
External
Status
Published
Created
Jun 13, 2026
Updated
Jul 6, 2026
Updated by
Dosu Bot
Source
SECURITY.md

Security Policy#

Supported Versions#

BranchSupported
main (active development)✅ Active development
lts✅ Security fixes
Older releases❌

Reporting a Vulnerability#

Please use GitHub Private Vulnerability Reporting to report security issues.

This ensures your report is handled confidentially before public disclosure.

Do not open a public GitHub issue for security vulnerabilities.

What to include#

  • Description of the vulnerability and its potential impact
  • Steps to reproduce or proof-of-concept
  • Affected versions/streams
  • Any suggested mitigations (optional)

Response Timeline#

StageTarget
Initial acknowledgment48 hours
Assessment complete7 days
Fix/mitigation delivered30 days (critical), 90 days (high/medium)
Public disclosureAfter fix ships to :stable

Disclosure Policy#

We follow coordinated disclosure. Reporters are credited in the release notes unless they request anonymity. We will not take legal action against researchers who follow this policy.

Scope#

This policy covers the projectbluefin/bluefin-lts OCI image build pipeline, including:

  • Containerfile and build scripts in build_scripts/
  • GitHub Actions workflows in .github/workflows/
  • Supply chain: base image pinning, COPR repos, binary downloads
  • cosign signing and image integrity

Out of scope: Third-party packages bundled in the image (report upstream), Flatpaks (report to Flathub), Homebrew packages (report to upstream tap).

Documents
Changelogs
Bluefin LTS Errata
Pin Log
2024-12-30-ublue-2024-wrapup
2025-01-01-announcements-archive
2025-02-23-february-update
2025-05-14-bluefin-f42
2025-06-23-bazaar-default
2025-07-06-fresh-bluefin-isos-and-bazaar
2025-07-11-four-years-of-ublue
2025-07-15-bold-brew
2025-07-17-ask-projectbluefin
2025-08-01-august-wallpapers
2025-08-08-bluefin-on-lfx
2025-08-29-github-oss-fund
2025-09-17-color-with-bluefin
2025-09-18-bluefin-lts-and-gdx
2025-09-23-LTS-at-indiafoss
2025-10-28-bluefin-autumn
2025-10-31-fastfetch-metrics
2025-11-15-cloud-native-milestone-15-million
2025-11-16-coreos-desktop
2025-11-24-new-just-and-bbrew
2025-11-27-bluefin-and-paleoartists
2025-11-30-report
2025-12-04-flatpak-support-in-brewfiles
2025-12-06-interview-with-michael-tunnell
2025-12-07-documentation-updates
2025-12-14-huntress-holiday-wallpapers
2025-12-15-easier-homebrew-installation-for-custom-images
2025-12-27-upcoming-homebrew-cli-changes
2025-12-30-bluefin-2025-wrapup
2025-12-31-report
2026-01-03-modernizing-custom-images
2026-01-31-report
2026-02-01-automated-reports-changelogs
2026-02-28-report
2026-03-13-bluefin-cli-mac-wsl
2026-03-27-bluefin-lts-gnome-49-50
2026-03-29-composefs-fisherman
2026-03-29-composefs-fisherman-design
2026-03-30-boot-verification
2026-03-30-boot-verification-design
2026-03-30-proportional-progress-tracking
2026-03-30-proportional-progress-tracking-design
2026-03-31-report
2026-04-02-state-of-ecosystem
2026-04-19-dakota-alpha-1
2026-04-30-report
2026-05-05-bluefin-spring
2026-05-12-bluefin-spring-2026
2026-05-13-bluefin-spring-2026-2
2026-05-14-making-our-own-fate
2026-05-15-hummingbird
2026-05-23-gradia-capture-bluefin
2026-05-28-knuckle
2026-05-31-report
2026-06-11-promotion-pr-body
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How can I install Double Commander on Bluefin (an immutable Linux OS), coming from Arch Linux?
How can you fix random GPU artifacts and hard freezes on an AMD Framework 16 laptop running Linux (Bluefin/Fedora)?
How do I install the Cloudflare WARP (One) client on Bluefin?
How to Reset a User's Home Directory to Defaults on Bluefin
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Which Bluefin ISO is recommended for a Lenovo Yoga Pro 9i with an NVIDIA RTX 4050 for Python data science and Machine Learning with CUDA?
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