{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-62941", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-14T22:32:17.731Z", "datePublished": "2026-08-21T14:47:56.724Z", "dateUpdated": "2026-08-21T16:44:16.507Z" }, "containers": { "cna": { "title": "Incus: Cross-project instance copy bypasses target project restrictions via TOCTOU in config merge", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/lxc/incus/security/advisories/GHSA-mq9x-prm8-3vpw", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/lxc/incus/security/advisories/GHSA-mq9x-prm8-3vpw" } ], "affected": [ { "vendor": "lxc", "product": "incus", "versions": [ { "version": "< 7.3.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T14:47:56.724Z" }, "descriptions": [ { "lang": "en", "value": "Incus is a system container and virtual machine manager. Prior to version 7.3.0, when copying an instance across projects, the project restriction check (`AllowInstanceCreation`) runs BEFORE the source instance's configuration is merged into the request. Dangerous configuration keys (including `security.privileged`, `raw.lxc`, `raw.apparmor`) from the source instance are merged AFTER the check passes, bypassing all project restrictions on the target project. Version 7.3.0 patches the issue." } ], "source": { "advisory": "GHSA-mq9x-prm8-3vpw", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/lxc/incus/security/advisories/GHSA-mq9x-prm8-3vpw", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-21T16:42:20.466737Z", "id": "CVE-2026-62941", "options": [ { "Exploitation": "poc" }, { "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": "2026-08-21T16:44:16.507Z" } } ] } }