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CVE-2026-86114

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

CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86114

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86114

Published

arcane

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "getarcaneapp",
                    "product": "arcane",
                    "repo": "https://github.com/getarcaneapp/arcane",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:github/getarcaneapp/arcane",
                    "versions": [
                        {
                            "version": "1.19.1",
                            "lessThan": "2.0.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON