RETAINED OPEN-SOURCE SIGNALS

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Search and explore the rolling 30-day signal archive. Historical presence shows what sources reported at the time; it is not independent verification.

981signals in August30-DAY HISTORICAL INDEX

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A2 / HISTORICAL WIRE

August 20, 2026

1 result

22:00Aug 20 UTC

cyber / P3Unresolved

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

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.