Docker
CVE-2026-23944
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to version 1.13.2, unauthenticated requests could be proxied to remote environment agents, allowing access to remote environment resources without authentication. The environment proxy middleware handled /api/environments/{id}/... requests for remote environments before authentication was enforced. When the environment ID was not local, the middleware proxied the request and attached the manager-held agent token, even if the caller was unauthenticated. This enabled unauthenticated access to remote environment operations (e.g., listing containers, streaming logs, or other agent endpoints). An unauthenticated attacker could access and manipulate remote environment resources via the proxy, potentially leading to data exposure, unauthorized changes, or service disruption. Version 1.13.2 patches the vulnerability.
AnalysisAI
Arcane Docker management interface prior to 1.13.2 has missing authentication, allowing unauthenticated attackers to manage Docker containers, images, and networks on the host.
Technical ContextAI
Arcane < 1.13.2 exposes Docker management endpoints without authentication (CWE-306), allowing any network user to create, delete, and manage Docker containers, images, networks, and volumes.
RemediationAI
Update to Arcane 1.13.2. Restrict access to Docker management interfaces. Never expose Docker management to untrusted networks.
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External POC / Exploit Code
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