CVE-2026-44592
⛔ criticalSummary
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.
CVSS Score
9.4
Critical
EPSS Score
0.0
Exploit Probability
Published Date
2026-05-14
First Seen: 2026-05-17
📊 Relative Risk Intelligence
This CVE is Very High Risk - more severe than 90.1% of all 349,016 vulnerabilities in our database.
#34,415
Top 10% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 16, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by
CISA
Last Modified
2026-05-15
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H