EUVD-2026-71946 · Published Sep 5, 2026
Arcane versions before 2.0.0 fail to properly restrict template operations, allowing default user role accounts to create, modify, and delete compose templates including instance-wide defaults. Attackers can inject malicious container configurations with privileged settings or host path mounts that execute with administrative privileges when deployed by administrators.
Weaknesses
CVSS scores
- v4.07.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - v3.16.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
References
- https://github.com/geo-chen/oss/blob/main/arcane.md
- https://github.com/getarcaneapp/arcane
- https://github.com/getarcaneapp/arcane/blob/v1.19.5/backend/api/handlers/templates.go
- https://github.com/getarcaneapp/arcane/commit/1500646aa91f
- https://github.com/getarcaneapp/arcane/releases/tag/v2.0.0
- https://www.vulncheck.com/advisories/arcane-before-2.0.0-missing-administrator-authorization-on-the-compose-template-mutation-endpoints
Potentially impacted assets
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