CVE-2026-23520

published 2026-01-15

CVE-2026-23520: 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…

Priority P3 53 high 8 CVSS 3.1

AV N AC L PR L UI R S U C H I H A H

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
arcane	arcane	< 1.13.0	1.13.0
getarcaneapp	arcane	< 1.13.0	1.13.0
github.com	getarcaneapp_arcane_backend	>= 0 < 0.0.0-20260114065515-5a9c2f92e11f	0.0.0-20260114065515-5a9c2f92e11f

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CWE-78