{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23520", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-13T18:22:43.980Z", "datePublished": "2026-01-15T19:20:22.434Z", "dateUpdated": "2026-01-15T19:58:45.182Z"}, "containers": {"cna": {"title": "Arcane has a Command Injection in Arcane Updater Lifecycle Labels Enables RCE", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8"}, {"name": "https://github.com/getarcaneapp/arcane/pull/1468", "tags": ["x_refsource_MISC"], "url": "https://github.com/getarcaneapp/arcane/pull/1468"}, {"name": "https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4", "tags": ["x_refsource_MISC"], "url": "https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4"}, {"name": "https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0"}], "affected": [{"vendor": "getarcaneapp", "product": "arcane", "versions": [{"version": "< 1.13.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-15T19:20:22.434Z"}, "descriptions": [{"lang": "en", "value": "Arcane provides modern docker management. Prior to 1.13.0, Arcane has a command injection in the updater service. Arcane\u2019s 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."}], "source": {"advisory": "GHSA-gjqq-6r35-w3r8", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-15T19:58:38.291447Z", "id": "CVE-2026-23520", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-15T19:58:45.182Z"}}]}}

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