NixOS

Products

ProductCVEsExploitedLatest
Nix20–Oct 14, 2026
nixpkgs6–Jul 15, 2026
hydra5–Aug 12, 2025
calamares-nixos-extensions2–Aug 15, 2024

Exploited and recent CVEs

  • CVE-2026-110453 Medium 4.3 Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients. 0.1%
  • CVE-2026-110452 Medium 4.0 The multi-user installer in Nix before 2.35.3 sets the ownership of store contents to the user (who invoked the installer) even though it should be root ownership. 0.1%
  • CVE-2026-110451 Medium 4.3 Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled. 0.1%
  • CVE-2026-110450 High 8.0 Nix before 2.35.3 and Lix before 2.95.4 allow privilege escalation via a repair operation because it could destroy and then replace a store path before content verification. 0.2%
  • CVE-2026-110449 High 7.5 Nix before 2.35.3 and Lix before 2.95.4 have an integer overflow and resultant out-of-bounds write when evaluating untrusted expressions because list allocation is mishandled. 0.2%
  • CVE-2026-64846 Low 2.8 Nix: Arbitrary file truncation outside the sandbox with recursive-nix experimental feature 0.1%
  • CVE-2026-61828 High 8.5 nixos/mysql : `services.mysql` is configured with insecure authentication by default when used with `mysql` or `percona-server` 0.2%
  • CVE-2026-44029 Medium 5.3 An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.3 0.6%
  • CVE-2026-44028 High 7.5 An issue was discovered in Nix before 2.34.7 and Lix before 2.95.2. Unbounded recursion in the NAR (Nix Archive) parser could lead to a stack-to-heap overflow when the parser is run on a coroutine sta 0.2%
  • CVE-2026-39860 Critical 9.0 Nix sandbox escape: file write via symlink at FOD `.tmp` copy destination 0.2%
  • CVE-2026-25740 Medium 5.8 Privilege escalation to the `CAP_NET_RAW` capability via the `programs.captive-browser` NixOS module 0.2%
  • CVE-2026-25137 Critical 9.1 NixOs Odoo database and filestore publicly accessible with default odoo configuration 10.3%
  • CVE-2026-23838 High 8.7 Tandoor Recipes module allows SQLite database to be externally accessible with the default settings 0.5%
  • CVE-2025-64766 Medium 5.3 NixOS has hardcoded credentials in Onlyoffice module 0.3%
  • CVE-2025-54864 Medium 6.9 Hydra missing authentication when triggering evaluations through GitHub and Gitea plugins 0.4%
  • CVE-2025-54800 High 7.1 Hydra persistent XSS in build metrics 0.2%
  • CVE-2025-53819 High 7.9 Nix's privilege dropping to build user broke for macOS 0.1%
  • CVE-2025-52992 Low 3.2 The Nix, Lix, and Guix package managers fail to properly set permissions when a derivation build fails. This may allow arbitrary processes to modify the content of a store outside of the build sandbox 0.2%
  • CVE-2025-52991 Low 3.2 The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into usi 0.2%
  • CVE-2025-52993 Medium 5.6 A race condition in the Nix, Lix, and Guix package managers enables changing the ownership of arbitrary files to the UID and GID of the build user (e.g., nixbld* or guixbuild*). This affects Nix befor 0.1%
  • CVE-2025-46415 Low 3.2 A race condition in the Nix, Lix, and Guix package managers allows the removal of content from arbitrary folders. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2 0.1%
  • CVE-2025-46416 Low 2.9 The Nix, Lix, and Guix package managers allow a bypass of build isolation in which a user can elevate their privileges to the build user account (e.g., nixbld or guixbuild). This affects Nix through 2 0.2%
  • CVE-2025-32435 Low 2.6 Hydra no restricted eval after nix-eval-jobs migration 0.4%
  • CVE-2025-32438 High 8.8 Local privilege escalation in make-initrd-ng 0.2%
  • CVE-2024-51481 Low 1.0 Nix allows macOS sandbox escape via built-in builders 0.2%
  • CVE-2024-47174 Medium 5.9 Credential leak when credentials are used with `<nix/fetchurl.nix>` 0.3%
  • CVE-2024-45593 Critical 9.1 Nix affected by unsafe NAR unpacking 0.6%
  • CVE-2024-45049 High 7.5 Nix Hydra Missing authentication when triggering evaluations 0.6%
  • CVE-2024-43378 High 7.8 calamares-nixos-extensions LUKS keyfile exposure regression on legacy BIOS systems 0.1%
  • CVE-2024-38531 Low 3.6 Nix sandbox escape 0.1%