CVE-2026-23944

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.

• CWE-306

• https://github.com/getarcaneapp/arcane/commit/2008e1b93b25d0c4c3fff3af07843766231614ebPatch
• https://github.com/getarcaneapp/arcane/pull/1532Issue Tracking, Patch, Vendor Advisory
• https://github.com/getarcaneapp/arcane/releases/tag/v1.13.2Release Notes
• https://github.com/getarcaneapp/arcane/security/advisories/GHSA-2jv8-39rp-cqqrPatch, Vendor Advisory

Published

Jan 19, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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