{"id":"CVE-2026-50054","published":"2026-10-08T17:17:17.180","lastModified":"2026-10-08T20:49:23.240","description":"An authorization flaw in Zimbra Collaboration Suite’s GrantRightsRequest allows an attacker with access to an authenticated account to grant another local account the loginAs right, creating persistent mailbox access and mail-sending authority that survives password changes and session expiry.","cvssScore":7.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","cwes":["CWE-269"],"vendors":[],"products":[],"references":[{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}