{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-86008", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-04T19:17:36.246Z", "datePublished": "2026-10-16T16:16:51.097Z", "dateUpdated": "2026-10-16T16:53:59.579Z" }, "containers": { "cna": { "title": "Mailu domain managers can take over higher-privileged accounts", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-269", "lang": "en", "description": "CWE-269: Improper Privilege Management", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/Mailu/Mailu/security/advisories/GHSA-9pv5-rm76-3qwj", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/Mailu/Mailu/security/advisories/GHSA-9pv5-rm76-3qwj" }, { "name": "https://github.com/Mailu/Mailu/issues/2685", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/Mailu/Mailu/issues/2685" }, { "name": "https://github.com/Mailu/Mailu/pull/4050", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/Mailu/Mailu/pull/4050" }, { "name": "https://github.com/Mailu/Mailu/commit/8577c929b4ade04d3cd4210cf036601abd793556", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/Mailu/Mailu/commit/8577c929b4ade04d3cd4210cf036601abd793556" } ], "affected": [ { "vendor": "Mailu", "product": "Mailu", "versions": [ { "version": "< 8577c929b4ade04d3cd4210cf036601abd793556", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-16T16:16:51.097Z" }, "descriptions": [ { "lang": "en", "value": "Mailu is a mail server distributed as a set of Docker images. Prior to 8577c929b4ade04d3cd4210cf036601abd793556, a domain manager targeting an administrative account or another domain manager with greater privileges can reset passwords or obtain tokens for that account. This authorization failure allows a domain manager to take over a higher-privileged account and exercise that account's permissions. This vulnerability is addressed by commit 8577c929b4ade04d3cd4210cf036601abd793556." } ], "source": { "advisory": "GHSA-9pv5-rm76-3qwj", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-16T16:53:48.473995Z", "id": "CVE-2026-86008", "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": "2026-10-16T16:53:59.579Z" } } ] } }