CVE-2026-86114

EUVD-2026-71946
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
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