CVE-2026-73570—Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability

PUBLISHEDvulnerability record
2026-08-21 · last modified August 21, 2026

Metadata

CVE ID：
CVE-2026-73570
项目：
Synacor
产品：
Zimbra Collaboration Suite (ZCS)
添加日期：
2026-08-21
到期日：
2026-08-24
最后更新：
August 21, 2026

漏洞名称

Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability

描述

Zimbra Collaboration Suite (ZCS) contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.

已知用于勒索软件活动吗？

勒索软件状态：
Unknown

采集行动

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

其他说明

  • https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
  • https://blog.zimbra.com/2026/07/patch-release-update-zimbra-10-1-20/
  • BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
  • Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
  • https://nvd.nist.gov/vuln/detail/CVE-2026-73570

相关 CWE

browse all CVEs