{"id":"CVE-2026-86114","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-86114","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…","details":"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.","published":"2026-09-05T10:16:42.423","modified":"2026-09-05T10:16:42.423","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/getarcaneapp/arcane/commit/1500646aa91f","label":"getarcaneapp/arcane@1500646"},"references":[{"type":"WEB","url":"https://github.com/geo-chen/oss/blob/main/arcane.md"},{"type":"WEB","url":"https://github.com/getarcaneapp/arcane"},{"type":"WEB","url":"https://github.com/getarcaneapp/arcane/blob/v1.19.5/backend/api/handlers/templates.go"},{"type":"WEB","url":"https://github.com/getarcaneapp/arcane/commit/1500646aa91f"},{"type":"WEB","url":"https://github.com/getarcaneapp/arcane/releases/tag/v2.0.0"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/arcane-before-2.0.0-missing-administrator-authorization-on-the-compose-template-mutation-endpoints"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-05T10:16:42.423"}}