CVE Watchtower


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CVE-2026-47179NVD

Vulnerability Summary

Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.19.4, ProjectService.GetProjectFileContent returns the contents of any Docker Compose include directive declared in a project's compose file before any path-traversal validation runs. Because ProjectService.CreateProject writes attacker-supplied compose content to disk without validating include paths, an authenticated user can create a project whose compose file declares include: ['../../../../etc/passwd'], then read the include via the project file API. The result is arbitrary read of any file readable by the Arcane backend process, including /app/data/arcane.db (the SQLite database containing every user's password hash and API key), enabling escalation to admin and, via Arcane's Docker control plane, RCE on the host. This vulnerability is fixed in 1.19.4.
Severity Level
HIGH(7.7)
Published Date
May 29, 2026
Last Modified
May 29, 2026
Exploitation Status
UNKNOWN
Root Weakness (CWE)
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.
EPSS Score (30-Day)
0.06%Probability
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone