CVEvulnerability

CVE-2026-73571

4.3 MEDIUM Published 2026-08-13 Modified 2026-08-28 Official page ↗
Status
Analyzed
Published
2026-08-13
Last modified
2026-08-28
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.1 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-863

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.

Affected configurations

• synacor zimbra collaboration suite (< 10.1.17)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References