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CVE-2026-73571

Estado: AnalizadaMedia (4.3)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Synacor — Zimbra Collaboration Suite

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-73571",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "exploitation": "none"
            },
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          ],
          "version": "2.0.3",
          "timestamp": "2026-08-13T15:51:08.536018Z"
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  "published": "2026-08-13T16:19:06.150",
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  "lastModified": "2026-08-28T13:58:23.877",
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