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4 vulnerabilities by getarcaneapp

CVE-2026-42461 (GCVE-0-2026-42461)

Vulnerability from cvelistv5 – Published: 2026-05-09 03:30 – Updated: 2026-05-13 17:46
VLAI?
Title
Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets)
Summary
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to version 1.18.0, four GET endpoints under /api/templates* in Arcane's Huma backend are registered without any Security requirement, allowing any unauthenticated network client to list and read the full Compose YAML and .env content of every custom template stored in the instance. Because Arcane's UI exposes a "Save as Template" flow on the project / swarm-stack creation pages that persists the operator's real env content (database passwords, API keys, etc.) verbatim, this missing authorization is an unauthenticated read of operator secrets in practice — not a theoretical info-disclosure. The frontend explicitly treats /customize/templates/* as an authenticated area (PROTECTED_PREFIXES in frontend/src/lib/utils/redirect.util.ts), and every CRUD operation (POST/PUT/DELETE) on the same paths requires a Bearer/API key, so this is a clear backend authorization gap, not intended public access. This issue has been patched in version 1.18.0.
CWE
Assigner
References
Impacted products
Vendor Product Version
getarcaneapp arcane Affected: < 1.18.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-40242 (GCVE-0-2026-40242)

Vulnerability from cvelistv5 – Published: 2026-04-10 20:34 – Updated: 2026-04-13 20:54
VLAI?
Title
Arcane Unauthenticated SSRF with Conditional Response Reflection in Template Fetch Endpoint
Summary
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.17.3, the /api/templates/fetch endpoint accepts a caller-supplied url parameter and performs a server-side HTTP GET request to that URL without authentication and without URL scheme or host validation. The server's response is returned directly to the caller. type. This constitutes an unauthenticated SSRF vulnerability affecting any publicly reachable Arcane instance. This vulnerability is fixed in 1.17.3.
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
getarcaneapp arcane Affected: < 1.17.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-23944 (GCVE-0-2026-23944)

Vulnerability from cvelistv5 – Published: 2026-01-19 21:16 – Updated: 2026-01-21 21:17
VLAI?
Title
Arcane allows unauthenticated proxy access to remote environments
Summary
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
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
getarcaneapp arcane Affected: < 1.13.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-23520 (GCVE-0-2026-23520)

Vulnerability from cvelistv5 – Published: 2026-01-15 19:20 – Updated: 2026-01-15 19:58
VLAI?
Title
Arcane has a Command Injection in Arcane Updater Lifecycle Labels Enables RCE
Summary
Arcane provides modern docker management. Prior to 1.13.0, Arcane has a command injection in the updater service. Arcane’s updater service supported lifecycle labels com.getarcaneapp.arcane.lifecycle.pre-update and com.getarcaneapp.arcane.lifecycle.post-update that allowed defining a command to run before or after a container update. The label value is passed directly to /bin/sh -c without sanitization or validation. Because any authenticated user (not limited to administrators) can create projects through the API, an attacker can create a project that specifies one of these lifecycle labels with a malicious command. When an administrator later triggers a container update (either manually or via scheduled update checks), Arcane reads the lifecycle label and executes its value as a shell command inside the container. This vulnerability is fixed in 1.13.0.
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
Impacted products
Vendor Product Version
getarcaneapp arcane Affected: < 1.13.0
Create a notification for this product.
Show details on NVD website

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