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.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories |
|
History
Thu, 08 Oct 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Zimbra
Zimbra zimbra Collaboration Suite |
|
| Vendors & Products |
Zimbra
Zimbra zimbra Collaboration Suite |
Thu, 08 Oct 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Zimbra Collaboration Suite GrantRightsRequest SOAP Handler Allows Self-Granting of Undocumented loginAs Mailbox Delegation Right | |
| Weaknesses | CWE-269 | |
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: rapid7
Published: 2026-10-08T16:25:37.442Z
Updated: 2026-10-08T19:10:47.375Z
Reserved: 2026-06-03T09:35:31.591Z
Link: CVE-2026-50054
No data.
Status : Awaiting Analysis
Published: 2026-10-08T17:17:17.180
Modified: 2026-10-08T20:49:23.240
Link: CVE-2026-50054
No data.