LOWVulnerability

CVE-2026-73570

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.

Properties

product
Zimbra Collaboration Suite (ZCS)
vulnerabilityName
Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability
cve_id
CVE-2026-73570
dueDate
2026-08-24
vendorProject
Synacor
requiredAction
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 discon
dateAdded
2026-08-21

Related Entities (1)

KNOWN_EXPLOITED (1)

[Source]CISA KEV

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