CVE-2026-86114

Arcane before 2.0.0 Missing Administrator Authorization on the Compose Template Mutation Endpoints

Published Sep 5, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Arcane before 2.0.0 Missing Administrator Authorization on the Compose Template Mutation Endpoints
First Time appeared Getarcane
Getarcane arcane
Weaknesses CWE-862
CPEs cpe:2.3:a:getarcane:arcane:*:*:*:*:*:*:*:*
Vendors & Products Getarcane
Getarcane arcane
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 7.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:21 PM
Reserved
Sep 5, 2026, 1:59 AM
Status
Deferred
Published
Sep 5, 2026, 10:16 AM
Modified
Sep 23, 2026, 5:17 PM