CVE-2026-73571 - An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality. An authenticated attacker can send specially crafted SOAP requests to impersonate another user and send emails without possessing the required delegation or send-as permissions. This occurs in the SaveDraftRequest SOAP handler. - 漏洞详情

漏洞编号：CVE-2026-73571

风险等级：低危

漏洞来源：CVE

CVE 编号：CVE-2026-73571

CNNVD 编号：-

厂商/产品：synacor / zimbra_collaboration_suite

影响范围：cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*

CWE：CWE-863

发布/更新时间：2026-08-13 / 2026-08-28

漏洞描述

An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality. An authenticated attacker can send specially crafted SOAP requests to impersonate another user and send emails without possessing the required delegation or send-as permissions. This occurs in the SaveDraftRequest SOAP handler.

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