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CVE-2026-73571

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CVSS 3.1
4.3 medium
EPSS
<1%p5
Published
()
Modified
Description

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.

Vendors
synacor
Products
zimbra collaboration suite
Weakness
CWE-863
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

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