Download Latest Version v1.12.0 source code.tar.gz (5.4 MB)
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README.md 2026-05-05 3.0 kB
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Fix for Nix vulnerabilities

This release fixes GHSA-vh5x-56v6-4368 and GHSA-gr92-w2r5-qw5p. For Linux and macOS installations of Flox, GHSA-vh5x-56v6-4368 can allow arbitrary code execution as root. This affects Flox versions >=1.3.12.

Features

The manifest schema was bumped from 1.11.0 to 1.12.0 for the auto-start feature below.

  • flox activate automatically starts services when auto-start = true is set in the manifest's [services] section, and a new --no-start-services flag suppresses this on individual invocations.
  • flox publish reports failure-specific error messages for common repository validation issues (missing upstream branch, detached HEAD, SSH/authentication failure, revision not on remote).
  • flox publish collects narinfo for build outputs and their full closure from the local Nix store when publishing to a metadata-only catalog. This data is required to build a complete SBOM.

Fixes

  • Propagated packages now respect the priority of their parent package in the manifest's [install] block when activated in "develop" mode.
  • Manifest builds no longer fail when source files contain special characters in their filenames.
  • FLOX_FLOXHUB_TOKEN is redacted in log files and verbose output.
  • flox publish reports a clear error when .flox files are untracked in the build repository, instead of failing with a confusing "could not find environment pointer file" message.
  • flox publish honors the keep_tempdir setting when a build fails in an ephemeral directory.
  • flox publish no longer hangs polling for publisher confirmation when running against a metadata-only or NixCopy catalog configuration.
  • Metadata-only flox publish no longer fails with NoToken when no FloxHub token is configured when using Kerberos Authn.
  • flox include upgrade no longer unnecessarily migrates manifests with older but still-supported schema versions, avoiding schema version drift in the lockfile.

[!NOTE] You can find the SHA256 checksums for Flox 1.12.0 and SHA512 checksums for Flox 1.12.0 online.

Source: README.md, updated 2026-05-05