CVE-2026-86114

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-05 10:16

Updated : 2026-09-14 20:17

NVD link : CVE-2026-86114

Mitre link : CVE-2026-86114

CVE.ORG link : CVE-2026-86114

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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