{"id":"CVE-2026-86114","title":"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","summary":"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 co…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-862"],"vendor":"getarcaneapp","product":"arcane","affected":["arcane >= 1.19.1 < 2.0.0"],"published":"2026-09-05","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:46.890","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86114","references":[{"url":"https://github.com/geo-chen/oss/blob/main/arcane.md","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getarcaneapp/arcane","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getarcaneapp/arcane/blob/v1.19.5/backend/api/handlers/templates.go","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getarcaneapp/arcane/commit/1500646aa91f","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getarcaneapp/arcane/releases/tag/v2.0.0","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/arcane-before-2.0.0-missing-administrator-authorization-on-the-compose-template-mutation-endpoints","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00241,"epssPercentile":0.15522,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T19:22:01.593868Z"},"ingestedAt":"2026-09-06T07:51:55.841Z","slug":"CVE-2026-86114","body":"## Overview\n\nArcane 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}