CVE-2026-23520 - Arcane has a Command Injection in Arcane Updater Lifecycle Labels Enables RCE

CVE-2026-23520 - Arcane has a Command Injection in Arcane Updater Lifecycle Labels Enables RCE

https://cvefeed.io/rssfeed/latest.atom / Thu, 01/15/2026 - 22:57
CVE ID : CVE-2026-23520
Published : Jan. 15, 2026, 7:20 p.m. | 1 hour, 7 minutes ago
Description : 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.
Severity: 0.0 | NA
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