Arcane before 2.0.0 Missing Administrator Authorization on the Compose Template Mutation Endpoints
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.
CVE-2026-86114
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-86114
arcane
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/getarcaneapp/arcane",
"vendor": "getarcaneapp",
"product": "arcane",
"versions": [
{
"status": "affected",
"version": "1.19.1",
"lessThan": "2.0.0",
"versionType": "semver"
}
],
"packageURL": "pkg:github/getarcaneapp/arcane",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-86114
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #1574 · Revision 1
- Added to Heist Feed
- Publisher date