Security Advisory

CVE-2026-44592

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-14 18:39:59

Last updated 2026-05-16 00:50:50

Assigner GitHub_M

CVSS score 9.4

State PUBLISHED

Description

Gradient is a nix-based continuous integration system. In 1.1.0, when GRADIENT_DISCOVERABLE=true (the default, and the NixOS module default), anyone who can reach /proto can register as a worker without any credentials by sending a fresh, never-registered worker UUID. The resulting session has PeerAuth::Open, i.e. it sees jobs from every organisation, and can immediately NarPush/NarUploaded arbitrary store paths into nar_storage and the cached_path table. This vulnerability is fixed in 1.1.1.

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